User contributions
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 07:51, 8 August 2008 (diff | hist) . . (-31) . . Tourmaline (→Treatments)
- 07:50, 8 August 2008 (diff | hist) . . (+1) . . Tourmaline (→Treatments)
- 07:48, 8 August 2008 (diff | hist) . . (-15) . . Tourmaline (→Treatments)
- 07:47, 8 August 2008 (diff | hist) . . (-25) . . Tourmaline (→Treatments)
- 07:47, 8 August 2008 (diff | hist) . . (+53) . . Tourmaline (→Treatments)
- 07:46, 8 August 2008 (diff | hist) . . (+884) . . Tourmaline (→Treatments)
- 07:22, 8 August 2008 (diff | hist) . . (+73) . . N File:RedTourmalineOval5 32v02.jpg (Heat treated brown-red Nigerian tourmaline. Image courtesy of Roger Dery.) (current)
- 07:21, 8 August 2008 (diff | hist) . . (+73) . . N File:RedTourmalineOval5 32ct.jpg (Heat treated brown-red Nigerian tourmaline. Image courtesy of Roger Dery.) (current)
- 07:20, 8 August 2008 (diff | hist) . . (+68) . . N File:PinkTourmalineOval5 32ct.jpg (Heat treated Nigerian pink tourmaline. Photo courtesy of Roger Dery.) (current)
- 13:08, 29 July 2008 (diff | hist) . . (+16) . . Refractometer (→Optical sign)
- 07:06, 29 July 2008 (diff | hist) . . (+125) . . Refractometer (→Optical sign)
- 03:07, 29 July 2008 (diff | hist) . . (+280) . . Refractometer (→Optical sign: added note ob beta reading)
- 01:40, 25 July 2008 (diff | hist) . . (+93) . . Amber
- 10:53, 24 July 2008 (diff | hist) . . (+52) . . Idocrase (→Diagnostics)
- 10:26, 19 July 2008 (diff | hist) . . (+4) . . Scapolite (current)
- 10:26, 19 July 2008 (diff | hist) . . (-2) . . Scapolite
- 10:25, 19 July 2008 (diff | hist) . . (+501) . . Scapolite
- 01:27, 10 July 2008 (diff | hist) . . (+2) . . Refraction (→Wavefronts (Huygens' principle))
- 01:26, 10 July 2008 (diff | hist) . . (+4) . . Refraction (→The relationship between wavelength and speed of light: changed hour to second .. thanks to Vlad)
- 01:25, 23 May 2008 (diff | hist) . . (-1) . . Melo melo pearl (current)
- 01:24, 23 May 2008 (diff | hist) . . (-1) . . Sphene
- 01:24, 23 May 2008 (diff | hist) . . (-32) . . m Scapolite
- 01:23, 23 May 2008 (diff | hist) . . (-1) . . m Feldspar
- 01:26, 21 May 2008 (diff | hist) . . (+168) . . Lapis Lazuli (added image from americanthai.com (id:222)) (current)
- 01:24, 21 May 2008 (diff | hist) . . (+127) . . N File:Lapis Afghanistan.jpg (Top quality untreated lapis lazuli cabochon from Afghanistan (50.60 Carats). Image courtesy of Scott Davies, americanthain.com) (current)
- 01:21, 21 May 2008 (diff | hist) . . (+19) . . m Synthetic forsterite (→Update)
- 01:21, 21 May 2008 (diff | hist) . . (+120) . . Synthetic forsterite (→Update: added image)
- 01:18, 21 May 2008 (diff | hist) . . (+48) . . N File:Colorless forsterite.jpg (Image courtesy of Scott Davies, Americanthai.com) (current)
- 01:17, 21 May 2008 (diff | hist) . . (+253) . . Synthetic forsterite (addition from Scott Davies (id:221))
- 11:04, 15 May 2008 (diff | hist) . . (+15) . . Immersion cell
- 09:41, 6 April 2008 (diff | hist) . . (0) . . Double Refraction (→Basic: correction by Richard Cartier (submission 171))
- 03:21, 6 April 2008 (diff | hist) . . (-15) . . m Double Refraction
- 02:54, 6 April 2008 (diff | hist) . . (+31) . . N Birefringence (added redirect) (current)
- 02:53, 6 April 2008 (diff | hist) . . (+1,846) . . Double Refraction (additions from Richard Cartier (no. 162, 163, 164, 166))
- 12:20, 4 April 2008 (diff | hist) . . (-37) . . m Iolite (added a <br clear="all" />) (current)
- 13:46, 23 February 2008 (diff | hist) . . (+163) . . Emerald (→Optical and physical properties)
- 13:43, 23 February 2008 (diff | hist) . . (+51) . . Emerald (→Synthetics)
- 03:37, 13 February 2008 (diff | hist) . . (+477) . . Inclusions:Sapphire (→Beryllium-Treated Sapphires: added synthetcis (by Apsara)) (current)
- 03:32, 13 February 2008 (diff | hist) . . (+468) . . Inclusions:Ruby (→Heat treated: added images of synthetics (by Apsara)) (current)
- 12:21, 28 January 2008 (diff | hist) . . (-3) . . m Synthetic cubic zirconia
- 12:17, 28 January 2008 (diff | hist) . . (+4) . . m Synthetic cubic zirconia
- 12:15, 28 January 2008 (diff | hist) . . (+5) . . m Synthetic cubic zirconia
- 12:12, 28 January 2008 (diff | hist) . . (+54) . . Synthetic cubic zirconia (→Diagnostics: added note on anomalous extinction)
- 08:15, 24 January 2008 (diff | hist) . . (+5) . . m Specific Gravity (→Basic)
- 04:49, 30 December 2007 (diff | hist) . . (+244) . . Garnet (→Classification of gem garnets)
- 04:41, 30 December 2007 (diff | hist) . . (+197) . . Garnet (→Hanneman's concept illustrated: acknowledged Anderson and Stockton/Manson)
- 04:34, 30 December 2007 (diff | hist) . . (+1,282) . . Garnet (→Classification of gem garnets: added RI table according to stockton/manson (1985))
- 09:17, 26 December 2007 (diff | hist) . . (+117) . . Taaffeite
- 08:35, 26 December 2007 (diff | hist) . . (0) . . Spinel (→Refractometer)
- 08:19, 26 December 2007 (diff | hist) . . (+201) . . Spinel (→Synthetics)
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
