Hauyne crystallizes in the isometric system forming translucent, vitreous typically twinned crystals with highly variable color (blue, white, gray, yellow, green, pink).The formula is (Na,Ca)4-8[Al6Si6(O,S)24](SO4,Cl)1-2
07 October 2010
Haüyne
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As a jeweler I would guess cut. I have never seen any stones that couple out of the ground that perfectly cut and polished ;)
ReplyDeleteThat's definitely cut...
ReplyDeletehttp://www.mindat.org/min-1833.html
i also vote for cut, based on the forms crystalline structures are likely to take.
ReplyDeleteWell I was going to say cut but everyone beat me to it....so it's grown in a jar of pickles.
ReplyDelete.... but brine or vinegar ?
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