Annabergite
Georgine Mine, Candelaria Junction, Candelaria Mining District, Mineral County, Nevada, USA
Dolomite matrix with sprays of green annabergite crystals to 6 mm. Most of the crystals I found are banged up since this surface was exposed in the pit, but these are pretty good. Also on the specimen (but not in photo), sprays of colorless acicular crystals to 2 cm (presumably aragonite); coatings of an unknown white, botryoidal mineral; and ...
© Bruce J Kelley - Unauthorized reproduction prohibi