Crazy Sphinx Mine, Helena, Helena District (Spring Hill District), Lewis and Clark Co., Montana, USA

Helena Mineral Society

Helena Mineral Society

Regular Meeting

Second Thursday
of every month

Mountain West Bank
2021 North Montana Avenue

Meeting begins at
7:00 p.m.

Newsletters

2010

2009

2008

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Philipsburgite : (Cu,Zn)6[(OH)3|(AsO4,PO4)]2 · H2O

Specializing in
Family Fun & Recreation ~ Education ~ Outdoors Activities ~ Minerals

Andrew Horton, President
PO Box 736
Helena, MT 59624