Irregular black masses of frohbergite in quartzite matrix, 0.25 cm field of view, Excalibur Mineral specimen. S105-34
The locality is Gold Hill, north of San Simon, Cochise County, Arizona, close to the Bisbee District, and the occurence is documented in Handbook of Mineralogy, http://rruff.geo.arizona.edu/doclib/hom/frohbergite.pdf>
The locality is Gold Hill, north of San Simon, Cochise County, Arizona, close to the Bisbee District, and the occurence is documented in Handbook of Mineralogy, http://rruff.geo.arizona.edu/doclib/hom/frohbergite.pdf>
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