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

Regular Meeting

Second Thursday
of every month

Mountain West Bank
2021 North Montana Avenue

Meeting begins at
7:00 p.m.

Frequently Asked Questions

How much is a membership?

How do I apply for membership?


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

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

Andrew Horton, President
PO Box 736
Helena, MT 59624