Actinolite : ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
As recorded:
Verde Village - S of, Cottonwood, Black Hills Mining District, Black Hills, Yavapai County, Arizona, USA
Photo added to mindat.org
“Sprays of green actinolite on quartz. Field of view: 2 cm. In the collection of Kenneth Anderson. Found Jan. 2007. Photo 1 of 2.”
Kenneth Anderson - 14th April 2008
Photo added to mindat.org
“Sprays of green actinolite on quartz. Field of view: 2 cm. In the collection of Kenneth Anderson. Found Jan. 2007. Photo 2 of 2.”
Kenneth Anderson - 14th April 2008
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