Commodities
PrimaryGold
TertiarySapphire, Gemstone
Commodity typeB
Economic & production
Development statusPast Producer
Identification
Deposit ID10173041
Alternate namesSpokane Bar Sapphire Mine, American Gem Corp.
RegionNA
Data scoreC
Coordinates46.6671, -111.81617
References
MONTANA BUREAU OF MINES & GEOLOGY MEMOIR 26, 1948, P. 72.PERSONAL COMMUNICATION WITH ROBIN MUCCULLUCH; MONTANA BUREAUOF MINES & GEOLOGY, BUTTE, MT., AUGUST 1995.U.S. BUREAU OF MINES, 1994, DIRECTORY OF PRINCIPAL U.S.GEMSTONE PRODUCERS IN 1993; U.S. BUREAU OF MINES MINERALINDUSTRY SURVEYS, P. 35.