Orthoclase | |||
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Orthoclase. Description from the source: Orthoclase (K Al Si3 O8 mon.), San Gotthard, Tessin, Switzerland. Geminated crystals of the variety Adular. 5x4x3 cm; 25 g. Source: Simone Citon Contributor: John Gray Acquired: 30 September, 2008 Text Updated: 1 October, 2008 Price: Trade Size: 2" Composition: KAlSi3O8 | |||
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