California · Modoc County
Occurrence
Griffith's Royal Purple Obsidian Mines.
Modoc County, California, United States
Gemstone
Stone
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USGS source ↗
Commodities
Primary
Gemstone, Stone
Commodity type
N
Deposit
Deposit size
N
Economic & production
Development status
Occurrence
Identification
Deposit ID
10031399
MRDS ID
M010157
Region
NA
Data score
D
Coordinates
41.83542, -120.29549
References
GEMS & MINERALS, APRIL 1966, P.23