Microcline, Albite, Quartz

Specimen ID: XKU-XQ4

Microcline : K(AlSi3O8)
Albite : Na(AlSi3O8)
Quartz : SiO2
As recorded:
Butte Mining District, Butte-Silver Bow, Montana, USA
Mindat locality:
17.2cm x 10.3cm x 7.7cm

Photo added to mindat.org

Microcline with Albite & Quartz from near Butte, Silver Bow Co., MT, U.S. Specimen measures approximately 17.2 x 10.3 x 7.7 cm.
Peter Hargis - 26th January 2015
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