User contributions
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- 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)
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