Rockhounding Montana

A Guide to 91 of Montana's Best Rockhounding Sites Montana Hodges, Robert Feldman. Rocks in the area of the mine contain an assortment of minerals.The host rock, a dark green serpentine (locally called “Montana jade”), contains the ...

Rockhounding Montana

Rockhounding Montana

A complete guide and source-book brimming with advice on collecting and preparing gems and minerals.

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