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Description from the source:
Staurolite ((Fe+2 Mg Zn)2 Al9 (Si Al)4 O22 (OH)2 mon.), New Mexico, USA. Geminated with small garnets. 1,5x1,4x1,1 cm; 6 g.
Source: Simone Citon
Contributor: John Gray
Acquired: 26 October, 2008
Text Updated: 26 October, 2008
Price: Trade
Size: 0.6"
Composition: (FeMgZn)2Al9(SiAl)4O22(OH)2