Staurolite | |||
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Staurolite. Description from the source: Staurolite ((Fe+2 Mg Zn)2 Al9 (Si Al)4 O22 (OH)2 mon.), Minas Gerais, Brazil. Single crystal. 1,8x1,5x1,2 cm; 5 g. Source: Simone Citon Contributor: John Gray Acquired: 30 September, 2008 Text Updated: 1 October, 2008 Price: Trade Size: 0.7" Composition: (FeMgZn)2Al9(SiAl)4O22(OH)2 | |||
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