  Hemimorphite.
Description from the source:
Hemimorphite (Zn4 Si2 O7 (OH)2 x H2 O orth.), Ojuela Mine, Mapimi`, Durango, Mexico. Transparent, perfect crystals on limonitic matrix. 4,5x3x2 cm; 22 g.
Source: Simone Citon
Contributor: John Gray
Acquired: 30 September, 2008
Text Updated: 1 October, 2008
Price: Trade
Size: 1.75"
Composition: Zn4Si2O7(OH)2.H2O
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