  Anhydrite.
Description from the source:
Anhydrite (Ca SO4 orth.), Naica, Chihuahua, Mexico. Distinct geminated crystals with light lavender color. 5,5x1,8x0,7 cm; 6 g.
Source: Simone Citon
Contributor: John Gray
Acquired: 27 December, 2008
Text Updated: 28 December, 2008
Price: Trade
Size: 2"
Composition: CaSO4
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