Mineralpedia Details for Austinite
Named for former American mineralogist and Professor at Stanford University in California, USA, Austin Flint Rogers. Austinite is an uncommon to rare secondary mineral that occurs in oxidized arsenic-rich base metal deposits in localities in the United States, Mexico, Bolivia, Greece, Namibia, and Australia, among others. Minerals associated with Austinite include adamite, talmessite , limonite and quartz.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/austinite.pdf
Austinite from Mina Ojuela, Mapimi, Durango, Mexico
This piece has outstanding, green crystals to 3.5mm. Excellent, handsome specimen from this locality.
Austinite from Gold Hill mine, Tooele Co., Utah, United States
Lime green bladed Cuprian Austinite crystals in clusters to 0.75mm.
3mm crystal ball-like clusters of Austinite with a nice greyish white color in limonitic matrix.