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
Hauyne crystallizes in the isometric system forming translucent, vitreous typically twinned crystals with highly variable color (blue, white, gray, yellow, green, pink).
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