Montana · Judith Basin County
Producer
American Yogo Sapphire Mine
Judith Basin County, Montana, United States
Sapphire
⌖ Show on map
USGS source ↗
Commodities
Primary
Sapphire
Commodity type
N
Economic & production
Development status
Producer
Discovery year
1896
Identification
Deposit ID
10294931
Alternate names
Sapphire Intl. Corp. Mine, American Sapphire, Yogo Lapidary Co. Mine
Region
NA
Data score
D
Coordinates
46.87101, -110.34473
References
U.S. BUREAU OF MINES IC 7602, 1951, P. 43-44.