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Combined display of all available logs of The Gemology Project. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
(newest | oldest) View (newer 500 | older 500) (20 | 50 | 100 | 250 | 500)- 16:14, 29 May 2009 Doos (talk | contribs) changed group membership for Tim from (none) to administrator
- 16:13, 29 May 2009 Doos (talk | contribs) changed group membership for Barbra from administrator to administrator and bureaucrat
- 04:53, 6 December 2008 Doos (talk | contribs) uploaded File:Scenic jasper.jpg (Scenic jasper. Image courtesy of topsieraden.nl)
- 08:06, 8 August 2008 Doos (talk | contribs) uploaded File:PinkTourmalineOval5 32ct.jpg
- 07:24, 8 August 2008 Doos (talk | contribs) uploaded File:RedTourmalineOval5 32v02.jpg
- 07:22, 8 August 2008 Doos (talk | contribs) uploaded File:RedTourmalineOval5 32v02.jpg (Heat treated brown-red Nigerian tourmaline. Image courtesy of Roger Dery.)
- 07:21, 8 August 2008 Doos (talk | contribs) uploaded File:RedTourmalineOval5 32ct.jpg (Heat treated brown-red Nigerian tourmaline. Image courtesy of Roger Dery.)
- 07:20, 8 August 2008 Doos (talk | contribs) uploaded File:PinkTourmalineOval5 32ct.jpg (Heat treated Nigerian pink tourmaline. Photo courtesy of Roger Dery.)
- 01:24, 21 May 2008 Doos (talk | contribs) uploaded File:Lapis Afghanistan.jpg (Top quality untreated lapis lazuli cabochon from Afghanistan (50.60 Carats). Image courtesy of Scott Davies, americanthain.com)
- 01:18, 21 May 2008 Doos (talk | contribs) uploaded File:Colorless forsterite.jpg (Image courtesy of Scott Davies, Americanthai.com)
- 05:21, 23 December 2007 Doos (talk | contribs) moved page Template:Rhodocrosite to Template:Rhodochrosite (spelling correction)
- 11:19, 6 December 2007 Doos (talk | contribs) uploaded File:TaaffeiteGroup.gif (10 taaffeites. Photo courtesy of Brad Payne.)
- 06:27, 2 December 2007 Doos (talk | contribs) uploaded File:Polarizer without polarizing direction.jpg (A polarizing filter. By Doos)
- 06:27, 2 December 2007 Doos (talk | contribs) uploaded File:Polarizer with polarizing direction.jpg (A polarizing filter with the pass-through direction indicated. By Doos)
- 06:26, 2 December 2007 Doos (talk | contribs) uploaded File:Wire-grid polarizer2.jpg (A wire grid polarizer (east-west bars). By Doos)
- 06:25, 2 December 2007 Doos (talk | contribs) uploaded File:Wire-grid polarizer.jpg (A wire grid polarizer. By Doos)
- 09:23, 7 November 2007 Doos (talk | contribs) uploaded File:Trapichesapphirepair2zo9.jpg (A 100ct trapiche sapphire.<br /> By Chaman Golecha.)
- 09:22, 7 November 2007 Doos (talk | contribs) uploaded File:Trapichesapphirepair1am4.jpg (Trapiche sapphire.<br /> By Chaman Golecha.)
- 08:57, 28 October 2007 Doos (talk | contribs) moved page Quartz - Microcrystalline to Quartz - Polycrystalline (moving crypto- and micro- to polycrystalline)
- 05:06, 19 October 2007 Doos (talk | contribs) uploaded File:Adding arrows interference.jpg (By Doos)
- 05:06, 19 October 2007 Doos (talk | contribs) uploaded File:Adding arrows addition.jpg (By Doos)
- 06:32, 18 October 2007 Doos (talk | contribs) uploaded File:Adding arrows reflection diffraction.jpg
- 06:30, 18 October 2007 Doos (talk | contribs) uploaded File:Adding arrows reflection diffraction.jpg (Removing a reflection section can add to the total reflection.<br /> By Doos.)
- 05:19, 18 October 2007 Doos (talk | contribs) uploaded File:Adding arrows reflection diagram.jpg (Close up of reflection on different spots of a mirror with arrows.<br /> By Doos)
- 07:41, 17 October 2007 Doos (talk | contribs) uploaded File:Adding arrows reflection.jpg
- 07:06, 17 October 2007 Doos (talk | contribs) uploaded File:Adding arrows reflection.jpg (Possible paths light can take when traveling from point A to point B via a reflecting surface.<br /> By Doos)
- 11:23, 29 September 2007 Doos (talk | contribs) uploaded File:Diamond dot structure.png (By Doos)
- 05:16, 28 September 2007 Doos (talk | contribs) uploaded File:Immersion reflection.png (Refraction in a mineral and the lack therof when immersed in a liquid of equal index of refraction. By Doos)
- 06:22, 26 September 2007 Doos (talk | contribs) uploaded File:Anderson method2.jpg (Illustration of the immersion method by B.W. Anderson for comparetive index of refraction. By Doos)
- 08:39, 25 September 2007 Doos (talk | contribs) uploaded File:Plato immersion.png (Illustration of the "becke lines" in the Plato immersion technique. By Doos.)
- 09:27, 24 September 2007 Doos (talk | contribs) uploaded File:Anderson rims.png (Illustration to show the different shadows casted by a brilliant cut gemstone. By Doos)
- 07:29, 24 September 2007 Doos (talk | contribs) uploaded File:Anderson method lens.png (Illustration of light bending through a lens (after Dr. W.Wm. Hanneman). By Doos.)
- 05:39, 24 September 2007 Doos (talk | contribs) deleted page Anderson method (moved to Immersion cell)
- 05:16, 24 September 2007 Doos (talk | contribs) uploaded File:Anderson method.jpg (Illustration of the immersion method by B.W. Anderson for comparetive index of refraction. By Doos)
- 12:06, 21 September 2007 Doos (talk | contribs) moved page Chatham to Carroll Chatham
- 12:05, 21 September 2007 Doos (talk | contribs) moved page Verneuil to Auguste Verneuil
- 12:04, 21 September 2007 Doos (talk | contribs) moved page Nelson to James Nelson
- 12:44, 20 September 2007 Doos (talk | contribs) uploaded File:Verneuil.png
- 09:24, 20 September 2007 Doos (talk | contribs) uploaded File:Verneuil.png
- 08:54, 20 September 2007 Doos (talk | contribs) uploaded File:Verneuil.png (By Doos)
- 12:41, 15 September 2007 Doos (talk | contribs) uploaded File:Sideritemm2.jpg (A rare faceted siderite. Notice the strong doubling of facet edges easily visible. By Chaman Golecha, Gem Testing Laboratory, Jaipur)
- 05:14, 12 September 2007 Doos (talk | contribs) uploaded File:Ekaniteed8.jpg (A green radioactive ekanite. By Chaman Golecha, Gem Testing Laboratory, Jaipur.)
- 08:57, 7 September 2007 Doos (talk | contribs) uploaded File:Cubic Zirconia Run Opening.jpg (Picture by Larry P kelley Shows a cubic zirconia 'run' after being removed from a skull crucible and broken open. (Taken from public domain))
- 08:01, 7 September 2007 Doos (talk | contribs) uploaded File:Skull-melting2.jpg (Skull-crucible method to create synth. cubic zirconia By Doos)
- 07:19, 4 September 2007 Doos (talk | contribs) uploaded File:IMG 0871.JPG (Courtesy of Dave Gibson http://www.geocities.com/davegibson46/)
- 07:18, 4 September 2007 Doos (talk | contribs) uploaded File:IMG 0839.JPG (Courtesy of Dave Gibson http://www.geocities.com/davegibson46/)
- 06:04, 4 September 2007 Doos (talk | contribs) uploaded File:Gemtrade.jpg (secrets of the gem trade image for monthly book)
- 08:43, 1 September 2007 Doos (talk | contribs) uploaded File:Sublimation1.png (By Doos, adapted from US patent 34861)
- 07:49, 30 August 2007 Doos (talk | contribs) uploaded File:Diasporeccwz3.jpg (Diaspore (colour-changing from green in daylight to brown in incandescent light - also known as “Zultanite” in the gem market). By Chaman Golecha, Gem Testing Laboratory, Jaipur.)
- 03:40, 30 August 2007 Doos (talk | contribs) uploaded File:Mandarine garnet hf.jpg (Inclusions in a mandarine garnet. By John Huff, gemcollections.com)
- 04:25, 29 August 2007 Doos (talk | contribs) uploaded File:Axinitesm2.jpg (A pinkish/greenish brown axinite. By Chaman Golecha, Gem Testing Laboratory, Jaipur.)
- 10:42, 27 August 2007 Doos (talk | contribs) uploaded File:Sillimanitefibrousdyessf1.jpg (A fibrous sillimanite dyed red simulating a ruby. Such sillimanites are dyed in different colours to simulate various stones like ruby, sapphire, emerald and others. By Chaman Golecha, Gem Testing Laboratory, Jaipur.)
- 10:41, 27 August 2007 Doos (talk | contribs) uploaded File:Sillimanite2hy8.jpg (A brown sillimanite. By Chaman Golecha, Gem Testing Laboratory, Jaipur.)
- 09:20, 27 August 2007 Doos (talk | contribs) uploaded File:Danburiteyq8.jpg (A colorless danburite. By Chaman Golecha, Gem Testing Laboratory, Jaipur)
- 11:19, 26 August 2007 Doos (talk | contribs) uploaded File:Trapiche emeraldme9.jpg (A magnificent trapiche emeralds encountered at the Gem Testing Laboratory, Jaipur which formed a suite with 3 others weighing 40.65 ct in total and said to be cut from a single rough crystal - has been reported in "Gems and Jewellery" (December 2006). By)
- 06:23, 25 August 2007 Doos (talk | contribs) uploaded File:Clinohumite diffraction spectrum.jpg (By Doos.)
- 05:59, 25 August 2007 Doos (talk | contribs) uploaded File:Clinohumiteyv8.jpg (A 9.45 ct brownish orange clinohumite tested at Gem Testing Laboratory. Courtesy of Chaman Golecha, Gem Testing Laboratory, Jaipur.)
- 10:41, 24 August 2007 Doos (talk | contribs) uploaded File:Spectrum natural blue spinel iron.jpg (Spectrum of blue natural spinel (colored by iron). By Doos)
- 10:38, 23 August 2007 Doos (talk | contribs) uploaded File:Spodumeneyellowom7.jpg (Faceted yellow spodumene. By Chaman Golecha, Gem Testing Laboratory, Jaipur.)
- 10:38, 23 August 2007 Doos (talk | contribs) uploaded File:Spodumenegreenvt6.jpg (Faceted green spodumene. By Chaman Golecha, Gem Testing Laboratory, Jaipur.)
- 03:50, 23 August 2007 Doos (talk | contribs) uploaded File:Phenakitetv6.jpg (A facetted colourless gem quality phenakite. By Chaman Golecha, Gem Testing Laboratory, Jaipur)
- 03:06, 18 August 2007 Doos (talk | contribs) uploaded File:Syntehticforsteriteha1.jpg (Synthetic forsterite By Chaman Golecha Gem Testing Laboratory, Jaipur)
- 12:23, 15 August 2007 Doos (talk | contribs) uploaded File:Topazcatseyest4.jpg (By Chaman Golecha)
- 12:22, 15 August 2007 Doos (talk | contribs) uploaded File:Topazparticolouredek7.jpg (By Chaman Golecha)
- 07:10, 15 August 2007 Doos (talk | contribs) uploaded File:Trapiche sapphire.jpeg (By Scott Davies, american-thai.com)
- 07:09, 15 August 2007 Doos (talk | contribs) uploaded File:Star sapphires.jpeg (By Scott Davies, american-thai.com)
- 07:09, 15 August 2007 Doos (talk | contribs) uploaded File:Moonstone2.jpeg (By Scott Davies, american-thai.com)
- 07:09, 15 August 2007 Doos (talk | contribs) uploaded File:Moonstone.jpeg (By Scott Davies, american-thai.com)
- 07:08, 15 August 2007 Doos (talk | contribs) uploaded File:Melo melo1028t1.jpg (By Scott Davies, american-thai.com)
- 07:08, 15 August 2007 Doos (talk | contribs) uploaded File:Idocrase1550t1.jpg (By Scott Davies, american-thai.com)
- 07:08, 15 August 2007 Doos (talk | contribs) uploaded File:Idocrase1081t1.jpg (By Scott Davies, american-thai.com)
- 07:07, 15 August 2007 Doos (talk | contribs) uploaded File:Idocrase1039t1.jpg (By Scott Davies, american-thai.com)
- 07:06, 15 August 2007 Doos (talk | contribs) uploaded File:Amethysts.jpeg (By Scott Davies, american-thai.com)
- 02:01, 15 August 2007 Doos (talk | contribs) uploaded File:Pezzottaite.jpg (A 7.34 ct pezzottaite, by Chaman Golecha)
- 06:10, 14 August 2007 Doos (talk | contribs) uploaded File:SP0810hff6au.jpg (Octahedral ( spinel ) crystal with stress fractures/ halo which give such inclusions the "flying pyramid" appearance. By John Huff, gemcollections.com)
- 05:59, 14 August 2007 Doos (talk | contribs) uploaded File:SP0811xx1a.jpg (Spinel octahedron in spinel. By John Huff, gemcollections.com)
- 11:14, 4 August 2007 Doos (talk | contribs) uploaded File:Yellow sphene afghanistan.jpeg (Yellow sphene, Afghanistan. By Scott Davies, american-thai.com)
- 11:13, 4 August 2007 Doos (talk | contribs) uploaded File:Pakistan sphene rough.jpeg (Rough sphene, Pakistan. By Scott Davies, american-thai.com)
- 11:11, 4 August 2007 Doos (talk | contribs) uploaded File:Pakistan sphene.jpeg (Sphene, Pakistan. By Scott Davies, american-thai.com)
- 11:09, 4 August 2007 Doos (talk | contribs) uploaded File:Green sphene2.jpeg (Green sphene, Madagascar. By Scott Davies, american-thai.com)
- 10:59, 4 August 2007 Doos (talk | contribs) uploaded File:Rough mawsitsit2.jpeg (Rough Maw sit sit. By Scott Davies, american-thai.com)
- 10:59, 4 August 2007 Doos (talk | contribs) uploaded File:Rough mawsitsit.jpeg (Rough Maw sit sit. By Scott Davies, american-thai.com)
- 09:39, 3 August 2007 Doos (talk | contribs) uploaded File:Basic refraction path straight.png (Basic refraction straight path. By Doos )
- 09:39, 3 August 2007 Doos (talk | contribs) uploaded File:Basic refraction path.png (Basic refraction path. By Doos )
- 09:38, 3 August 2007 Doos (talk | contribs) uploaded File:Basic refraction angles.png (Basic refraction with angles. By Doos )
- 09:38, 3 August 2007 Doos (talk | contribs) uploaded File:Basic refraction.png (Basic refraction. By Doos )
- 03:07, 3 August 2007 Doos (talk | contribs) uploaded File:SPcbltCMB1.jpg (Cobalt blue spinel. By John Huff, gemcollections.com)
- 03:07, 3 August 2007 Doos (talk | contribs) uploaded File:SPsriU.jpg (purplish-red spinel. By John Huff, gemcollections.com)
- 03:05, 3 August 2007 Doos (talk | contribs) uploaded File:SPmahU.jpg (Mahenge red spinel. By John Huff, gemcollections.com)
- 03:04, 3 August 2007 Doos (talk | contribs) uploaded File:SPBurCC4U.jpg (Color change spinel. By John Huff, gemcollections.com)
- 03:03, 3 August 2007 Doos (talk | contribs) uploaded File:SPBurCC23U.jpg (Color change spinel. By John Huff, gemcollections.com)
- 13:17, 2 August 2007 Doos (talk | contribs) uploaded File:Book synthetic diamonds august 2007.jpg (Book of the mont August 2007 Gems and gemology in review: synthetic diamonds by James E. Shigley ISBN 0873110501)
- 11:26, 2 August 2007 Doos (talk | contribs) uploaded File:ZircY4.JPG (Yellow zircon. By John Huff, gemcollections.com)
- 11:25, 2 August 2007 Doos (talk | contribs) uploaded File:OfireBZ50ct.jpg (Fire opal. By John Huff, gemcollections.com)
- 11:25, 2 August 2007 Doos (talk | contribs) uploaded File:Impecsl1.jpg (Imperial topaz. By John Huff, gemcollections.com)
- 11:24, 2 August 2007 Doos (talk | contribs) uploaded File:Imposl2.jpg (Imperial topaz. By John Huff, gemcollections.com)
- 11:24, 2 August 2007 Doos (talk | contribs) uploaded File:CBcc1i.JPG (Color change chrysoberyl. By John Huff, gemcollections.com)
- 11:23, 2 August 2007 Doos (talk | contribs) uploaded File:AMYs1U.jpg ("Siberian" amethyst. By John Huff, gemcollections.com)
- 09:08, 2 August 2007 Doos (talk | contribs) uploaded File:Q7606Bzm2U.jpg (Topaz inclusion. Photo courtesy of John Huff, gemcollections.com)
- 09:07, 2 August 2007 Doos (talk | contribs) uploaded File:Q1202HFF2U.jpg (Topaz inclusion. Photo courtesy of John Huff, gemcollections.com)
- 09:07, 2 August 2007 Doos (talk | contribs) uploaded File:Q1126HFF4W2.jpg (Topaz inclusion. Photo courtesy of John Huff, gemcollections.com)
- 09:06, 2 August 2007 Doos (talk | contribs) uploaded File:Q1126HFF3W.jpg (Topaz inclusion. Photo courtesy of John Huff, gemcollections.com)