California · San Diego County
Producer
Stewart Pegmatite
San Diego County, California, United States
Niobium (Columbium)
Tantalum
Lithium
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USGS source ↗
Commodities
Primary
Niobium (Columbium), Tantalum, Lithium
Commodity type
M
Deposit
Deposit size
Y
Materials
Ore minerals
Lepidolite, Microlite
Economic & production
Development status
Producer
Identification
Deposit ID
10107743
MRDS ID
D001785
Region
NA
Data score
D
Coordinates
33.36672, -117.08419
References
JAHNS, R. H., AND WRIGHT, L. A., 1951, GEM - AND LITHIUM - BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA, CALIF. DIV. MINES SPEC. REPT. 7 -