Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Manganese (commodity) from
Marin County No. 25 Mine (Marin County No. 25), Fort Baker, Marin County, California, USA


Locality type:Mine
Classification
Commodity:Manganese (commodity)
Data
Commodity Data:Click here to view Manganese (commodity) data
Locality Data:Click here to view Marin County No. 25 Mine (Marin County No. 25), Fort Baker, Marin County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1206332
Long-form Identifier:1:3:1206332:1
GUID (UUID V4):0
Nearest other deposits of Manganese (commodity)
0.0km (0.0 miles) ⓘSausalito Road Quarry, Sausalito, Marin County, California, USA
2.4km (1.5 miles) ⓘSausalito Point prospect, Sausalito, Marin County, California, USA
4.2km (2.6 miles) ⓘUnnamed Mn occurrence [2], Marin City, Marin County, California, USA
10.9km (6.7 miles) ⓘRed Rock Island deposit, Richmond, Contra Costa County, California, USA
22.9km (14.2 miles) ⓘMaillard Ranch occurrence [2], San Geronimo, Marin County, California, USA
24.9km (15.4 miles) ⓘSan Geronimo prospect, San Geronimo, Marin County, California, USA
29.2km (18.1 miles) ⓘKnutte Mine (Knutte deposit), Novato, Marin County, California, USA
38.5km (23.9 miles) ⓘMazza prospect (Mazza Ranch prospect), Novato, Marin County, California, USA
40.2km (25.0 miles) ⓘPetaluma-Point Reyes Road Mn occurrence, Novato, Marin County, California, USA
42.7km (26.5 miles) ⓘRedwood Material Company Mine, Emerald Lake Hills, San Mateo County, California, USA
 
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