User contributions

(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)

• 21:14, 30 December 2021 (diff | hist) . . (0)‎ . . Specific Gravity ‎ (current)
• 17:02, 26 October 2020 (diff | hist) . . (-119)‎ . . User:Barbra ‎ (current)
• 16:11, 28 January 2020 (diff | hist) . . (-14)‎ . . Images:Inclusions ‎ (current)
• 15:51, 28 January 2020 (diff | hist) . . (+10)‎ . . Images:Inclusions ‎ (→‎Garnet, var: Andradite (Demantoid))
• 15:50, 28 January 2020 (diff | hist) . . (+47)‎ . . Images:Inclusions ‎ (→‎Spinel)
• 15:47, 28 January 2020 (diff | hist) . . (+15)‎ . . Images:Inclusions ‎ (→‎Quartz)
• 15:46, 28 January 2020 (diff | hist) . . (+8)‎ . . Images:Inclusions ‎ (→‎Garnet, var: Spessartite)
• 15:45, 28 January 2020 (diff | hist) . . (+2)‎ . . Images:Inclusions ‎ (→‎Corundum, var: Sapphire (Beryllium Treated))
• 15:44, 28 January 2020 (diff | hist) . . (+2)‎ . . Images:Inclusions ‎ (→‎Corundum, var: Sapphire (Unheated))
• 15:43, 28 January 2020 (diff | hist) . . (+4)‎ . . Images:Inclusions ‎ (→‎Corundum, var: Ruby)
• 15:42, 28 January 2020 (diff | hist) . . (-36)‎ . . Images:Inclusions ‎ (→‎Garnet, var: Andradite (Demantoid))
• 15:36, 28 January 2020 (diff | hist) . . (-9)‎ . . Images:Inclusions ‎ (→‎Corundum, var: Sapphire (Beryllium Treated))
• 15:33, 28 January 2020 (diff | hist) . . (+21)‎ . . Images:Inclusions ‎ (→‎Corundum, var: Sapphire (Heated))
• 15:29, 28 January 2020 (diff | hist) . . (-1)‎ . . Images:Inclusions ‎ (→‎Corundum, var: Sapphire (Unheated))
• 15:25, 28 January 2020 (diff | hist) . . (+63)‎ . . Images:Inclusions ‎ (→‎Corundum, var: Ruby)
• 14:05, 28 January 2020 (diff | hist) . . (+24)‎ . . Images:Inclusions ‎ (→‎Corundum, var: Ruby)
• 13:54, 28 January 2020 (diff | hist) . . (+6)‎ . . Images:Inclusions ‎ (→‎Beryl, var: Emerald)
• 13:52, 28 January 2020 (diff | hist) . . (-14)‎ . . Images:Inclusions ‎ (→‎Beryl, var: Emerald)
• 10:32, 22 November 2019 (diff | hist) . . (-22)‎ . . Visual Optics ‎ (current)
• 10:20, 1 February 2019 (diff | hist) . . (-510)‎ . . Images:Zircon ‎ (current)
• 14:00, 17 January 2019 (diff | hist) . . (-1)‎ . . Carroll Chatham ‎ (current)
• 18:52, 24 November 2018 (diff | hist) . . (-188)‎ . . Home ‎ (current)
• 16:50, 5 October 2017 (diff | hist) . . (0)‎ . . The Gemology Project:Community Portal ‎ (→‎Open Forum) (current)
• 16:49, 5 October 2017 (diff | hist) . . (+111)‎ . . The Gemology Project:Community Portal ‎ (→‎Pages discussions (editors only))
• 16:45, 5 October 2017 (diff | hist) . . (-220)‎ . . The Gemology Project:Community Portal ‎ (→‎IRC Chat)
• 16:44, 5 October 2017 (diff | hist) . . (+6)‎ . . The Gemology Project:Community Portal ‎ (→‎Open Forum)
• 18:48, 10 September 2017 (diff | hist) . . (-790)‎ . . User talk:Jean ‎ (current)
• 18:41, 10 September 2017 (diff | hist) . . (-545)‎ . . m The Gemology Project:General disclaimer ‎ (Reverted edits by Jean (talk) to last revision by Tim) (current)
• 20:05, 19 May 2017 (diff | hist) . . (+76)‎ . . Amber ‎ (→‎In Memory of David Gibson and His Passion for Amber) (current)
• 16:53, 17 May 2017 (diff | hist) . . (-1,998)‎ . . Amber ‎ (→‎A Short Series of Films on Amber)
• 14:40, 27 April 2017 (diff | hist) . . (+6)‎ . . Home ‎
• 18:36, 13 December 2016 (diff | hist) . . (+68)‎ . . Refractometer ‎ (→‎Use of the refractometer) (current)
• 11:10, 23 October 2016 (diff | hist) . . (-600)‎ . . Faceting Designs ‎
• 19:10, 23 April 2016 (diff | hist) . . (+57)‎ . . Refractometer ‎ (→‎The GemPro refractometer)
• 19:08, 23 April 2016 (diff | hist) . . (+703)‎ . . Refractometer ‎ (→‎The Rayner Dialdex refractometer)
• 16:44, 18 January 2016 (diff | hist) . . (-21)‎ . . Specific Gravity ‎ (→‎Video presentation)
• 20:29, 7 September 2015 (diff | hist) . . (+15)‎ . . Synthetic gemstones ‎ (→‎Synthetic Gems Include) (current)
• 08:57, 25 May 2015 (diff | hist) . . (+34)‎ . . Tanzanite ‎ (→‎Imitations)
• 20:04, 5 March 2015 (diff | hist) . . (+177)‎ . . Rhodochrosite ‎ (current)
• 19:59, 5 March 2015 (diff | hist) . . (+174)‎ . . N File:Rhodochrosite.jpg ‎ (Spectacular Rhodochrosite Cabochon from Capillitas, Catamarca Province, Argentina This supersized cabochon measures 60mm x 30mm ( 3 3/8" x 1 3/16") and weighs 109.64 carats.) (current)
• 21:40, 26 January 2015 (diff | hist) . . (-134)‎ . . Maxixe ‎ (current)
• 14:59, 19 July 2013 (diff | hist) . . (+15)‎ . . Alexandrite ‎ (current)
• 22:14, 18 December 2012 (diff | hist) . . (+191)‎ . . Home ‎
• 22:01, 18 December 2012 (diff | hist) . . (+36)‎ . . N File:Marketplace.jpg ‎ (GemologyOnline Community Marketplace) (current)
• 18:59, 2 December 2012 (diff | hist) . . (+114)‎ . . Andalusite ‎ (current)
• 18:49, 2 December 2012 (diff | hist) . . (0)‎ . . N File:Andalusite.jpg ‎ (current)
• 18:43, 2 December 2012 (diff | hist) . . (+24)‎ . . Anatase ‎ (current)
• 18:42, 2 December 2012 (diff | hist) . . (+69)‎ . . N File:Anatase.jpg ‎ (Anatase cut from Minas Gerais, Brazil. Gem cutting by Afonso Marques.) (current)
• 18:33, 2 December 2012 (diff | hist) . . (+4)‎ . . Almandine ‎ (→‎Rhodolite) (current)
• 17:54, 2 December 2012 (diff | hist) . . (+19)‎ . . Almandine ‎ (→‎Diagnostics)
• 17:52, 2 December 2012 (diff | hist) . . (+52)‎ . . Almandine ‎ (→‎Spectroscope)
• 17:50, 2 December 2012 (diff | hist) . . (+88)‎ . . N File:Almandine spectrum.jpg ‎ (usually at 504, 520, and 573nm, may also have faint lines at 423, 460, 610 and 680-690nm) (current)
• 17:42, 2 December 2012 (diff | hist) . . (+94)‎ . . Almandine ‎
• 17:39, 2 December 2012 (diff | hist) . . (+34)‎ . . N File:Almandine.jpg ‎ (Faceted oval almandine, Madagascar) (current)
• 16:37, 14 November 2012 (diff | hist) . . (-106)‎ . . Emerald ‎ (→‎External Links) (current)
• 16:32, 14 November 2012 (diff | hist) . . (+18)‎ . . Emerald ‎
• 21:03, 12 November 2012 (diff | hist) . . (+69)‎ . . Prasiolite ‎ (current)
• 21:00, 12 November 2012 (diff | hist) . . (+113)‎ . . N File:Green quartz.jpg ‎ (Green massive quartz showing ripple-fracture from Brazil. Photograph taken at the Natural History Museum, London.) (current)
• 20:48, 12 November 2012 (diff | hist) . . (-6)‎ . . Ametrine ‎ (current)
• 20:05, 12 November 2012 (diff | hist) . . (+47)‎ . . Riesling ‎ (→‎Acknowledgements) (current)
• 20:02, 12 November 2012 (diff | hist) . . (+37)‎ . . Riesling ‎
• 19:58, 12 November 2012 (diff | hist) . . (-141)‎ . . m Riesling ‎ (Reverted edits by Doos (talk) to last revision by Gemma)
• 19:55, 12 November 2012 (diff | hist) . . (+25)‎ . . Morganite ‎ (current)
• 19:40, 12 November 2012 (diff | hist) . . (+152)‎ . . Goshenite ‎ (current)
• 19:38, 12 November 2012 (diff | hist) . . (+98)‎ . . N File:Béryl var. goshénite 1 (Chine) .jpg ‎ (Transparent Tabular Goshenite Beryl Crystal Locality: Xuebaoding, Pingwu, Sichuan Province, China) (current)
• 19:30, 12 November 2012 (diff | hist) . . (-1)‎ . . Emerald ‎
• 19:29, 12 November 2012 (diff | hist) . . (+25)‎ . . Emerald ‎ (→‎Inclusion images)
• 19:24, 12 November 2012 (diff | hist) . . (+60)‎ . . Emerald ‎
• 19:21, 12 November 2012 (diff | hist) . . (0)‎ . . N File:Beryl Smaragd DSCF0433.jpg ‎ (current)
• 19:12, 12 November 2012 (diff | hist) . . (+11)‎ . . Aquamarine ‎ (current)
• 19:06, 12 November 2012 (diff | hist) . . (+140)‎ . . Alexandrite ‎
• 19:02, 12 November 2012 (diff | hist) . . (+65)‎ . . N File:Alexandrite 26.75cts.jpg ‎ (Alexandrite 26.75 carats Tunduru, Ruvuma, Ruvuma Region, Tanzania) (current)
• 16:47, 12 November 2012 (diff | hist) . . (-6)‎ . . Alexandrite ‎ (→‎Additional Phenomena)
• 16:47, 12 November 2012 (diff | hist) . . (+128)‎ . . Alexandrite ‎
• 14:25, 12 November 2012 (diff | hist) . . (+78)‎ . . N File:Alex russian.jpg ‎ (Alexandrite crystals viewed in candlelight and daylight. Yekaterinburg, Russia) (current)
• 13:42, 12 November 2012 (diff | hist) . . (+171)‎ . . Alexandrite ‎
• 13:34, 12 November 2012 (diff | hist) . . (+19)‎ . . Ruby ‎ (→‎Synthesizing Methods)
• 13:32, 12 November 2012 (diff | hist) . . (+13)‎ . . Ruby ‎ (→‎Occurrence)
• 13:31, 12 November 2012 (diff | hist) . . (+58)‎ . . N File:Alexandrite.jpg ‎ (Inclusions in alexandtite. Fluid inclusion and twin planes) (current)
• 12:27, 12 November 2012 (diff | hist) . . (+12)‎ . . N Hematite ‎ (Created page with "{{Hematite}}") (current)
• 12:26, 12 November 2012 (diff | hist) . . (+668)‎ . . N Template:Hematite ‎ (Created page with "{| align=right width=250px {{table}} |- ! colspan=2 | Hematite |- | Chemical composition || Fe₂O₃ |- | Crystal system || [[Crystals_&_Their_Structure#Cu...") (current)
• 12:09, 12 November 2012 (diff | hist) . . (+20)‎ . . Polariscope ‎ (→‎Polarizing microscope)
• 11:19, 12 November 2012 (diff | hist) . . (+281)‎ . . Pyrite ‎ (current)
• 11:09, 12 November 2012 (diff | hist) . . (+47)‎ . . N File:Pyrite xls.jpg ‎ (Pyrite crystal cluster, mined in Logrono, Spain) (current)
• 11:04, 12 November 2012 (diff | hist) . . (+87)‎ . . N File:Victorian lizrds.jpg ‎ (Sterling silver lizards, bead-set with faceted pyrite, often misidentified as marcasite) (current)
• 10:49, 12 November 2012 (diff | hist) . . (-45)‎ . . Acknowledgments ‎ (current)
• 10:03, 12 November 2012 (diff | hist) . . (+11)‎ . . Pyrite ‎ (→‎Pyrite or Marcasite)
• 10:02, 12 November 2012 (diff | hist) . . (+618)‎ . . N Template:Pyrite ‎ (Created page with "{| align=right width=250px {{table}} |- ! colspan=2 | Pyrite |- | Chemical composition || FeS₂ |- | Crystal system || [[Crystals_&_Their_Structure#Cubic_Crystal_Sy...") (current)
• 09:44, 12 November 2012 (diff | hist) . . (+729)‎ . . N Pyrite ‎ (Created page with "===Pyrite or Marcasite=== Marcasite is a misnomer, referring to the mineral pyrite when it is faceted into small reflective stones and used in jewelry. Marcasite and pyrite ar...")
• 09:19, 12 November 2012 (diff | hist) . . (-29)‎ . . Ruby ‎ (→‎Enhancements)
• 09:19, 12 November 2012 (diff | hist) . . (+6)‎ . . Ruby ‎ (→‎Enhancements)
• 09:18, 12 November 2012 (diff | hist) . . (+16)‎ . . Ruby ‎ (→‎Enhancements)
• 09:15, 12 November 2012 (diff | hist) . . (+28)‎ . . Ruby ‎ (→‎Inclusion images)
• 23:40, 11 November 2012 (diff | hist) . . (+79)‎ . . Ruby ‎ (→‎Enhancements)
• 23:31, 11 November 2012 (diff | hist) . . (+67)‎ . . Dichroscope ‎ (→‎Biaxial stones)
• 23:27, 11 November 2012 (diff | hist) . . (+36)‎ . . Refractometer ‎ (→‎Use of the refractometer)
• 23:22, 11 November 2012 (diff | hist) . . (0)‎ . . Polariscope ‎ (→‎Video presentations)
• 23:02, 11 November 2012 (diff | hist) . . (+84)‎ . . Crystal Systems ‎
• 21:54, 11 November 2012 (diff | hist) . . (+535)‎ . . N Imitation Gemstones ‎ (Created page with "==Imitation Gemstones== Imitation gemstones merely imitate the color or look of a natural stone. They can be made out of anything. A cubic zirconia is an IMITATION diamond, fo...") (current)
• 21:50, 11 November 2012 (diff | hist) . . (0)‎ . . MediaWiki:Sidebar ‎ (current)
• 21:49, 11 November 2012 (diff | hist) . . (+1)‎ . . MediaWiki:Sidebar ‎
• 21:34, 11 November 2012 (diff | hist) . . (+671)‎ . . N Create an Account ‎ (Created page with "==Create an account & Log in== You need to create an account which you can do by filling in a request through the [http://gemologyproject.com/wiki/contact.php contact page]. ...") (current)
• 21:32, 11 November 2012 (diff | hist) . . (0)‎ . . MediaWiki:Sidebar ‎
• 21:31, 11 November 2012 (diff | hist) . . (+39)‎ . . MediaWiki:Sidebar ‎
• 08:54, 24 September 2012 (diff | hist) . . (-11)‎ . . Barite ‎ (current)
• 15:27, 23 September 2012 (diff | hist) . . (+1)‎ . . Barite ‎
• 15:25, 23 September 2012 (diff | hist) . . (+266)‎ . . Barite ‎
• 13:54, 23 September 2012 (diff | hist) . . (+16)‎ . . Alphabetic list by gemstone name ‎ (→‎B) (current)
• 13:53, 23 September 2012 (diff | hist) . . (+12)‎ . . Table Of Contents ‎
• 12:56, 23 September 2012 (diff | hist) . . (-13)‎ . . Template:Barite ‎ (current)
• 12:55, 23 September 2012 (diff | hist) . . (+152)‎ . . Barite ‎
• 12:52, 23 September 2012 (diff | hist) . . (+96)‎ . . N File:Barite xls1.jpg ‎ (Barite Crystals with Calcite, Northunberland, Nye County, Nevada, Collection of Barbra Voltaire.) (current)
• 11:52, 23 September 2012 (diff | hist) . . (-9)‎ . . Home ‎
• 11:51, 23 September 2012 (diff | hist) . . (+22)‎ . . Home ‎
• 11:50, 23 September 2012 (diff | hist) . . (+4)‎ . . The Chemical Classification of Gems & Minerals ‎ (→‎Class VIb Sulphates) (current)
• 11:37, 23 September 2012 (diff | hist) . . (+409)‎ . . N Barite ‎ (Created page with "{{Barite}} thumb|left|350px|Faceted Barite 19.35cts.<br />Courtesy of Egor Gavrilenko <br clear="left" /> Barite, or Baryte (BaSO₄) is a mineral...")
• 11:20, 23 September 2012 (diff | hist) . . (+49)‎ . . N File:Barite.jpg ‎ (Barite (baryte) 19.63 ct, Cut by Egor Gavrilenko;) (current)
• 11:02, 23 September 2012 (diff | hist) . . (+779)‎ . . N Template:Barite ‎ (Created page with "{| align=right width=250px {{table}} |- ! colspan=2 | Barite (Baryte) |- | Chemical composition || BaSO₄ |- | Crystal system || [[Crystals_&_Their_Structure#Orthor...")
• 20:05, 21 August 2012 (diff | hist) . . (+12,583)‎ . . Opal ‎ (→‎Imitations) (current)
• 17:41, 20 August 2012 (diff | hist) . . (-1)‎ . . Lapiz Lazuli ‎ (→‎G&G Articles on Lapis Lazulu 1934-1980) (current)
• 17:38, 20 August 2012 (diff | hist) . . (+3,650)‎ . . N Lapiz Lazuli ‎ (Created page with "{{Lapis Lazuli}} left|thumb|350px|Lapis Lazuli, Afghanistan<br /> Lazurite, Calcite, Pyrite <br clear="left" /> Lapis lazuli is not a mineral, but a rock ...")
• 17:32, 20 August 2012 (diff | hist) . . (+101)‎ . . N File:Lapis1.jpg ‎ (Lapis Lazuli, Afghanistan. Combination of several minerals predominately lazurite, calcite and pyrite) (current)
• 17:12, 20 August 2012 (diff | hist) . . (+4,426)‎ . . Jadeite ‎ (→‎G&G Articles on Jade 1934-1980) (current)
• 17:11, 20 August 2012 (diff | hist) . . (+4,426)‎ . . Nephrite ‎ (→‎G&G Articles on Jade 1934-1980) (current)
• 16:59, 20 August 2012 (diff | hist) . . (+3,026)‎ . . Nephrite ‎ (→‎Sources consulted)
• 16:58, 20 August 2012 (diff | hist) . . (-3)‎ . . Jadeite ‎ (→‎G&G Articles on Jadeite 1934-1980)
• 16:57, 20 August 2012 (diff | hist) . . (+1,207)‎ . . Jadeite ‎ (→‎G&G Articles on Jadeite 1934-1980)
• 16:53, 20 August 2012 (diff | hist) . . (-119)‎ . . Jadeite ‎ (→‎G&G Articles on Jadeite 1934-1980)
• 16:52, 20 August 2012 (diff | hist) . . (+1,942)‎ . . Jadeite ‎ (→‎Sources consulted)
• 16:46, 20 August 2012 (diff | hist) . . (+4,983)‎ . . Garnet ‎ (→‎Related topics) (current)
• 16:55, 13 August 2012 (diff | hist) . . (+20)‎ . . Aquamarine ‎
• 16:33, 13 August 2012 (diff | hist) . . (0)‎ . . Coral ‎ (current)
• 16:30, 13 August 2012 (diff | hist) . . (+3,503)‎ . . Coral ‎
• 16:17, 13 August 2012 (diff | hist) . . (0)‎ . . N File:Red coral.jpg ‎ (current)
• 16:16, 13 August 2012 (diff | hist) . . (+29)‎ . . N File:Coral beads.jpg ‎ (Mediterranean Red Coral Beads) (current)
• 15:08, 13 August 2012 (diff | hist) . . (+183)‎ . . Alexandrite ‎
• 14:59, 13 August 2012 (diff | hist) . . (+44)‎ . . N File:Alexandrite brazil.jpg ‎ (Alexandrite viewed in daylight and with LWUV) (current)
• 14:48, 13 August 2012 (diff | hist) . . (+1,761)‎ . . Alexandrite ‎
• 14:43, 13 August 2012 (diff | hist) . . (+4,532)‎ . . Chrysoberyl ‎ (→‎Cat's-eyes) (current)
• 10:49, 13 August 2012 (diff | hist) . . (+14)‎ . . Apatite ‎ (current)
• 22:14, 12 August 2012 (diff | hist) . . (+1,033)‎ . . Benitoite ‎ (→‎Additional Information) (current)
• 22:05, 12 August 2012 (diff | hist) . . (+18)‎ . . Alphabetic list by gemstone name ‎ (→‎A)
• 21:57, 12 August 2012 (diff | hist) . . (-6)‎ . . Azurite ‎ (current)
• 21:53, 12 August 2012 (diff | hist) . . (+638)‎ . . Azurite ‎
• 21:41, 12 August 2012 (diff | hist) . . (+24)‎ . . N File:Azurite.jpg ‎ (Azurite, Bisbee, Arizona) (current)
• 20:21, 12 August 2012 (diff | hist) . . (+1,336)‎ . . Apatite ‎ (→‎Phenomena)
• 20:16, 12 August 2012 (diff | hist) . . (+1,809)‎ . . Amethyst ‎ (→‎Polariscope) (current)
• 20:00, 12 August 2012 (diff | hist) . . (+3,048)‎ . . Amber ‎ (→‎External links)
• 14:43, 12 August 2012 (diff | hist) . . (+1)‎ . . Kunzite ‎ (current)
• 14:34, 12 August 2012 (diff | hist) . . (+212)‎ . . Achroite ‎ (current)
• 14:17, 12 August 2012 (diff | hist) . . (+26)‎ . . N File:Achroite.jpg ‎ (Achroite crystal, Pakistan) (current)
• 20:30, 15 July 2012 (diff | hist) . . (-295)‎ . . m Causes of color ‎ (current)
• 16:43, 18 March 2012 (diff | hist) . . (-1)‎ . . Color grading ‎ (current)
• 16:31, 18 March 2012 (diff | hist) . . (0)‎ . . Benitoite ‎
• 13:30, 18 March 2012 (diff | hist) . . (783 bytes) . . User:Barbra ‎
• 13:09, 18 March 2012 (diff | hist) . . (1,895 bytes) . . Benitoite ‎ (→‎The Benitoite Gem Mine)
• 13:02, 18 March 2012 (diff | hist) . . (1,895 bytes) . . Hauyne ‎ (current)
• 12:54, 18 March 2012 (diff | hist) . . (1,735 bytes) . . Hauyne ‎
• 12:39, 18 March 2012 (diff | hist) . . (125 bytes) . . File:Hauyne xls.jpg ‎ (Locality: In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany) (current)
• 10:09, 18 March 2012 (diff | hist) . . (1,742 bytes) . . Benitoite ‎ (→‎Spectrum)
• 09:53, 18 March 2012 (diff | hist) . . (5,188 bytes) . . Home ‎
• 09:48, 18 March 2012 (diff | hist) . . (1,742 bytes) . . Benitoite ‎ (→‎Cause of Color)
• 09:48, 18 March 2012 (diff | hist) . . (1,743 bytes) . . Benitoite ‎ (→‎Spectrum)
• 09:46, 18 March 2012 (diff | hist) . . (1,744 bytes) . . Benitoite ‎ (→‎Cause of Color)
• 09:34, 18 March 2012 (diff | hist) . . (1,600 bytes) . . Benitoite ‎
• 09:15, 18 March 2012 (diff | hist) . . (17 bytes) . . File:Benitoite absorption spectra.jpg ‎ (Courtesy of Brian) (current)
• 09:00, 18 March 2012 (diff | hist) . . (100 bytes) . . File:Benitoite3.jpg ‎ (Faceted Benitoite Colorless to Dark Blue<br /> 4mm round faceted<br /> Collection of Barbra Voltaire) (current)
• 08:33, 18 March 2012 (diff | hist) . . (817 bytes) . . Benitoite ‎
• 08:27, 18 March 2012 (diff | hist) . . (53 bytes) . . File:Benitoite2.jpg ‎ (Faceted Benitoite<br /> Collection of Barbra Voltaire) (current)
• 08:09, 18 March 2012 (diff | hist) . . (528 bytes) . . File:Benitoite1.jpg ‎ (current)
• 08:08, 18 March 2012 (diff | hist) . . (754 bytes) . . Benitoite ‎
• 08:05, 18 March 2012 (diff | hist) . . (705 bytes) . . Benitoite ‎
• 08:01, 18 March 2012 (diff | hist) . . (528 bytes) . . File:Benitoite1.jpg ‎ (Benitoite crystals,<br /> Locality: Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito County, California, USA (Locality at mindat.or)
• 19:43, 19 February 2012 (diff | hist) . . (2,281 bytes) . . The Phenomenon of Color Change ‎ (→‎What is colorchange?) (current)
• 16:45, 24 January 2012 (diff | hist) . . (5,172 bytes) . . Home ‎
• 16:39, 24 January 2012 (diff | hist) . . (4,763 bytes) . . Home ‎
• 16:37, 24 January 2012 (diff | hist) . . (4,763 bytes) . . Home ‎
• 16:30, 24 January 2012 (diff | hist) . . (4,742 bytes) . . Home ‎
• 16:02, 24 January 2012 (diff | hist) . . (23 bytes) . . File:Understanding jewellery.jpg ‎ (Understanding Jewellery) (current)
• 15:59, 24 January 2012 (diff | hist) . . (23 bytes) . . File:Understanding jewelleryjpg ‎ (Understanding Jewellery) (current)
• 15:31, 24 January 2012 (diff | hist) . . (26 bytes) . . File:Exotic Gems.jpg ‎ (Exotic Gems by Rene Newman) (current)
• 15:25, 24 January 2012 (diff | hist) . . (empty) . . File:Gems Crystals.jpg ‎ (current)
• 14:58, 24 January 2012 (diff | hist) . . (40 bytes) . . File:Gemstones of the World.jpg ‎ (Gemstones of the Wold by Walter Schumann) (current)
• 14:44, 24 January 2012 (diff | hist) . . (30 bytes) . . File:Gems.jpg ‎ (Gems, Fifth Edition by Webster) (current)
• 14:40, 24 January 2012 (diff | hist) . . (29 bytes) . . File:5th Edition Gems ‎ (Gems, Fifth Edition by Wbster) (current)
• 21:35, 22 January 2012 (diff | hist) . . (5,774 bytes) . . Home ‎
• 19:08, 2 January 2012 (diff | hist) . . (5,774 bytes) . . Home ‎
• 19:03, 11 October 2011 (diff | hist) . . (9,758 bytes) . . Tourmaline ‎ (→‎Gallery of Tourmaline Crystals from Paraiba, Brazil) (current)
• 18:43, 11 October 2011 (diff | hist) . . (52 bytes) . . File:Blue tourm barrett.jpg ‎ (Brazilian Paraiba Tourmaline sidelit with 6500K bulb) (current)
• 09:38, 14 June 2011 (diff | hist) . . (848 bytes) . . Morganite ‎
• 09:34, 14 June 2011 (diff | hist) . . (39 bytes) . . File:Morganite.jpg ‎ (Morganite, Barbra Voltaire's Collection) (current)
• 11:21, 16 February 2011 (diff | hist) . . (5,125 bytes) . . Dispersion ‎ (→‎Dispersion of Some Common Gem Minerals)
• 15:23, 6 February 2011 (diff | hist) . . (4,870 bytes) . . Dispersion ‎ (→‎Dispersion of Some Common Gem Minerals)
• 00:06, 24 January 2011 (diff | hist) . . (4,825 bytes) . . Dispersion ‎ (→‎Related topics)
• 23:35, 23 January 2011 (diff | hist) . . (9,641 bytes) . . Specific Gravity ‎ (→‎Specific Gravity of Some Common Gem Minerals)
• 20:33, 23 January 2011 (diff | hist) . . (9,219 bytes) . . Specific Gravity ‎ (→‎Specific Gravity of Some Common Gem Minerals)
• 21:33, 21 January 2011 (diff | hist) . . (9,044 bytes) . . Specific Gravity ‎ (→‎Specific Gravity of Some Common Gem Minerals)
• 19:13, 11 January 2011 (diff | hist) . . (8,983 bytes) . . Specific Gravity ‎ (→‎Related topics)
• 18:23, 11 January 2011 (diff | hist) . . (53,920 bytes) . . Refractometer ‎ (→‎Refractive Index of Common Gem Minerals)
• 17:45, 11 January 2011 (diff | hist) . . (53,133 bytes) . . Refractometer ‎ (→‎Refractive Index of Common Gem Minerals)
• 09:32, 11 January 2011 (diff | hist) . . (52,950 bytes) . . Refractometer ‎ (→‎Refractive Index of Common Gem Minerals)
• 09:30, 11 January 2011 (diff | hist) . . (52,944 bytes) . . Refractometer ‎ (→‎Refractive Index of Common Gem Minerals)
• 08:55, 11 January 2011 (diff | hist) . . (52,473 bytes) . . Refractometer ‎ (→‎Refractive Index of Common Gem Minerals)
• 20:10, 10 January 2011 (diff | hist) . . (52,227 bytes) . . Refractometer ‎ (→‎Refractive Index of Common Gem Minerals)
• 20:00, 10 January 2011 (diff | hist) . . (52,052 bytes) . . Refractometer ‎ (→‎Refractive Index of Common Gem Minerals)
• 19:48, 10 January 2011 (diff | hist) . . (51,582 bytes) . . Refractometer ‎ (→‎Related Topics)
• 12:33, 25 October 2010 (diff | hist) . . (2,921 bytes) . . Ametrine ‎
• 13:53, 12 October 2010 (diff | hist) . . (16,942 bytes) . . Amber ‎ (→‎Sources)
• 13:52, 12 October 2010 (diff | hist) . . (16,891 bytes) . . Amber ‎ (→‎Occurrence)
• 19:42, 7 October 2010 (diff | hist) . . (18,756 bytes) . . Diamond ‎ (→‎Treatments) (current)
• 19:37, 7 October 2010 (diff | hist) . . (18,558 bytes) . . Diamond ‎ (→‎Synthetics)
• 19:35, 7 October 2010 (diff | hist) . . (18,061 bytes) . . Diamond ‎ (→‎Synthetics)
• 20:03, 3 October 2010 (diff | hist) . . (2,550 bytes) . . Spessartite ‎ (current)
• 20:00, 3 October 2010 (diff | hist) . . (121 bytes) . . File:Spess china.jpg ‎ (Spessartite with Smoky Quartz Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China) (current)
• 04:53, 27 September 2010 (diff | hist) . . (19 bytes) . . File:Rose qtz massive.jpg ‎ (Minas Gerais Brazil) (current)
• 04:13, 27 September 2010 (diff | hist) . . (6,293 bytes) . . Vesuvianite ‎ (→‎Occurence)
• 04:12, 27 September 2010 (diff | hist) . . (6,292 bytes) . . Vesuvianite ‎ (→‎Occurence)
• 04:09, 27 September 2010 (diff | hist) . . (47 bytes) . . File:Vesuvianite xls.jpg ‎ (Vesuvianite Jeffrey Mine Asbestos Quebec Canada) (current)
• 03:32, 27 September 2010 (diff | hist) . . (849 bytes) . . Amazonite ‎ (current)
• 03:30, 27 September 2010 (diff | hist) . . (838 bytes) . . Amazonite ‎
• 03:27, 27 September 2010 (diff | hist) . . (empty) . . File:Amazonite cabs.jpg ‎ (current)
• 03:23, 27 September 2010 (diff | hist) . . (765 bytes) . . Amazonite ‎
• 03:20, 27 September 2010 (diff | hist) . . (69 bytes) . . File:Amazonite xls.jpg ‎ (Microcline with Albite Keyhole Vug, Crystal Peak Florissant, Colorado) (current)
• 02:17, 27 September 2010 (diff | hist) . . (45,508 bytes) . . Refractometer ‎ (→‎Polaroid angle)
• 15:04, 26 September 2010 (diff | hist) . . (788 bytes) . . Morganite ‎
• 15:01, 26 September 2010 (diff | hist) . . (empty) . . File:Morganite faceted.jpg ‎ (current)
• 14:52, 26 September 2010 (diff | hist) . . (718 bytes) . . Morganite ‎
• 14:50, 26 September 2010 (diff | hist) . . (20 bytes) . . File:Morganite minas gerais.jpg ‎ (Minas Gerais, Brazil) (current)
• 14:16, 26 September 2010 (diff | hist) . . (1,550 bytes) . . Fluorite ‎ (current)
• 14:12, 26 September 2010 (diff | hist) . . (empty) . . File:Green fluor facet.jpg ‎ (current)
• 14:06, 26 September 2010 (diff | hist) . . (1,474 bytes) . . Fluorite ‎
• 14:01, 26 September 2010 (diff | hist) . . (1,422 bytes) . . Fluorite ‎
• 13:58, 26 September 2010 (diff | hist) . . (17 bytes) . . File:Yellow fluorite.jpg ‎ (Clay Center, Ohio) (current)
• 13:52, 26 September 2010 (diff | hist) . . (28 bytes) . . File:Yellow faceted fluorite.jpg ‎ (847.4 carats and 84.7 carats) (current)
• 13:39, 26 September 2010 (diff | hist) . . (1,242 bytes) . . Fluorite ‎
• 13:34, 26 September 2010 (diff | hist) . . (42 bytes) . . File:Green fluorite massive.jpg ‎ (Green Fluorite Westmoreland, New Hampshire) (current)
• 13:24, 26 September 2010 (diff | hist) . . (10 bytes) . . File:Fluorite green facet.jpg ‎ (229 carats) (current)
• 13:11, 26 September 2010 (diff | hist) . . (30 bytes) . . File:Faceted fluorite.jpg ‎ (Faceted, fluorite with banding) (current)
• 11:04, 26 September 2010 (diff | hist) . . (970 bytes) . . Fluorite ‎
• 11:00, 26 September 2010 (diff | hist) . . (72 bytes) . . File:Fluorite sphalerite barite.jpg ‎ (Fluorite with Sphalerite and Barite; Elmwood Mine, Carthrage, Tennessee) (current)
• 10:46, 26 September 2010 (diff | hist) . . (66 bytes) . . File:Fluorite barite galena.jpg ‎ (Fluorite with Barite and Galena Elmwood Mine, Carthrage, Tennessee) (current)
• 18:39, 22 August 2010 (diff | hist) . . (15,437 bytes) . . Gemstone Treatments and Enhancements ‎ (→‎'''Heating''') (current)
• 18:07, 22 August 2010 (diff | hist) . . (38 bytes) . . File:Amethyst citrine.jpg ‎ (Heated amethyst will alter to citrine.) (current)
• 17:51, 22 August 2010 (diff | hist) . . (34 bytes) . . File:Tanz treated.jpg ‎ (Tanzanite heat treated and natural) (current)
• 17:49, 22 August 2010 (diff | hist) . . (15,217 bytes) . . Gemstone Treatments and Enhancements ‎
• 09:14, 15 August 2010 (diff | hist) . . (5,827 bytes) . . Home ‎
• 09:06, 15 August 2010 (diff | hist) . . (5,816 bytes) . . Home ‎
• 08:54, 13 June 2010 (diff | hist) . . (14,250 bytes) . . Heat Treatment ‎ (→‎Temperatures for Individual Gem Treatments:) (current)
• 08:53, 13 June 2010 (diff | hist) . . (14,191 bytes) . . Heat Treatment ‎ (→‎Bibliography and References)
• 14:27, 16 May 2010 (diff | hist) . . (202 bytes) . . Labradorite ‎

(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)