Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Gypsum & Anhydrite (commodity) from
Bunker Road tunnel (Unspecified road tunnel), Fort Barry, Marin County, California, USA


Locality type:Tunnel
Classification
Commodity:Gypsum & Anhydrite (commodity)
Data
Commodity Data:Click here to view Gypsum & Anhydrite (commodity) data
Locality Data:Click here to view Bunker Road tunnel (Unspecified road tunnel), Fort Barry, Marin County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1206337
Long-form Identifier:1:3:1206337:6
GUID (UUID V4):0
Nearest other deposits of Gypsum & Anhydrite (commodity)
17.3km (10.8 miles) ⓘUnnamed Gypsum mine [1], Daly City, San Mateo County, California, USA
45.5km (28.3 miles) ⓘKaiser Gypsum Mine, Redwood City, San Mateo County, California, USA
49.9km (31.0 miles) ⓘStockbridge Avenue occurrence, Atherton, San Mateo County, California, USA
 
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