California · Marin County
Producer
Massa Hill
Marin County, California, United States
Gemstone
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USGS source ↗
Commodities
Primary
Gemstone
Commodity type
N
Deposit
Deposit size
Y
Economic & production
Development status
Producer
Identification
Deposit ID
10110789
MRDS ID
W024119
Region
NA
Data score
D
Coordinates
38.16961, -122.68134
References
CALIF JOUR MINES AND GEOL V 51 NO 3 JULY 1955 P 259 280 PL 4GEM STONES NEPHRITE ON VONSON RANCH APPROX 1 MI SW OF UNION SCHOOL