• Owner: Mark C
  • Red = Tugtupite
    White = chkalovite
    orange/rust = sodalite
    blue = analcime
    Green = ???

    In this specimen the chkalovite is a distinct white, encircled by tugtupite. Can be many other colors in other specimens

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  • 2012-Apr-16 01:15:26 Sodalite Crystals - Afghanistan
    Cran Cowan said: No...after much study... Its most likely a result of thermoluminescence. The hackmanite is very thermoluminescent. The heat from the red laser pointer as well a a red LED triggers "residual" blue-white phosphorescence. The phosphorescence is due to dioxide which seems to be present in conjunction with the required concentration of…
  • 2012-Feb-06 06:31:08 SD - Barite on Calcite - USA
    Rose said: For some reosan, I often get “over 50 singles” spam. I’m assuming that means over age 50, not over 50 to choose from. I’m 31. Ew and no thanks.
  • 2012-Feb-05 18:15:28 Apatite - Peru
    Jryc said: Looks like it’s been uptdaed to be compatible with 2.8 :D Nice work buddy. Gonna write another post today about this news to my blog readers ;)
  • 2012-Feb-04 19:00:13 Humite, Paragasite, Spinel - Vietnam
    Carding said: i get these all the time:Hello,My name is Eric and I rtnlceey visited your siteguidetowomen.wordpress.com. I am a professional blogger who loves to writeon many topics. I’m writing because I am currently trying to take myauthor identity to the next level by supplying informative articles toquality blogs, like yours. I…
  • 2012-Feb-04 13:22:12 VA - Kyanite - USA
    Debbra said: No utpade to this plug-in for the upcoming WordPress 2.7? (I’m using the beta at the moment and it says that this plug-in is not compatible with 2.7)
  • 2011-Oct-31 16:00:23 Calcite - Unknown
    John H. Smith said: Mark,<br /> <br /> I have a crystalline calcite from Huanzala Mine (Peru), which fluoresces similarly. However, imho mild SW FL calcite, which FL strongly in MW, is not uncommon. My rock also has NF sulfides and FL fluorite.<br /> <br /> John
  • 2011-Oct-03 06:11:57 Wernerite and Diopside - Canada
    MinerShop said: (From Jacques Poulin): Some in Canada had problems with the previous identification, but did not have to means to have proper analysis done, so I was contacted.<br /> <br /> I am talking about specimens of wernerite (meionite) (yellow) / diopside (blue) from the Greenville area, Québec. The exact locality…
  • 2011-Jul-26 20:47:23 Fantasy-Rock - Greenland
    Jonathan Allred said: This was the first "Fantasy Rock" I bought from Mark...
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Fantasy-Rock - Greenland

Fantasy-Rock - Greenland More Fantasy-Rock - Greenland Red = Tugtupite
White = chkalovite
orange/rust = sodalite
blue = analcime
Green = ???

In this specimen the chkalovite is a distinct white, encircled by tugtupite. Can be many other colors in other specimens
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  • Jonathan Allred on 2011-Jul-26 20:47:23 Jonathan Allred said

    This was the first "Fantasy Rock" I bought from Mark...