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Quartz (Var: Smoky Quartz), Topaz, Microcline, Albite, Zinnwaldite


Quartz (Var: Smoky Quartz) : SiO2, Topaz : Al2[(F,OH)2|SiO4], Microcline : K[AlSi3O8], Albite : Na[AlSi3O8], Zinnwaldite : KLiFe2+Al[(F,OH)2|AlSi3O10]

Photo Copyright © William C. van Laer, 2008  - This image is copyrighted. Unauthorized reproduction prohibited.
Matrix specimen with typical granite druse minerals, from a miarolitic cavity found in a remote area of the Sawtooth Wilderness, near Benedict Creek (Devil's Den).Note the pristine condition of this specimen; every single crystal is in perfect, "mint" condition. A truly spectacular example of a miarolitic cavity wall. Overall size of specimen is 8.0 x 6.5 x 2.2 cm thick. Self-collected.

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