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

Regular Meeting

Third Thursday
of every month

Neighborhood Center
200 Cruse 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

James Bruce, President
PO Box 736
Helena, MT 59624