Montana · Jefferson County
Occurrence
Dumortierite Prospect
Jefferson County, Montana, United States
Gemstone
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USGS source ↗
Commodities
Primary
Gemstone
Commodity type
N
Economic & production
Development status
Occurrence
Identification
Deposit ID
10294705
Region
NA
Data score
D
Coordinates
46.3652, -112.31279
References
USGS BULL. 1151, PLATE # 1, LOCATION # 36, 1963