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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Aggregates (commodity) from
Lafranchi Quarry, Nicasio, Marin County, California, USA


Locality type:Quarry
Classification
Commodity:Aggregates (commodity)
Data
Commodity Data:Click here to view Aggregates (commodity) data
Locality Data:Click here to view Lafranchi Quarry, Nicasio, Marin County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1206425
Long-form Identifier:1:3:1206425:0
GUID (UUID V4):0
Nearest other deposits of Aggregates (commodity)
6.3km (3.9 miles) ⓘBlack Mountain Quarry, Black Mountain, Marin County, California, USA
7.3km (4.5 miles) ⓘUnnamed stone occurrence [5], Novato, Marin County, California, USA
10.0km (6.2 miles) ⓘUnnamed stone occurrence [7], Olema, Marin County, California, USA
10.1km (6.3 miles) ⓘUnnamed stone occurrence [4], Five Brooks, Marin County, California, USA
10.2km (6.4 miles) ⓘGhilotti Brothers Quarry (Ghilotti Brothers - Marin Company Quarry; Bowman Canyon Quarry; McIsaccs Quarry), Novato, Marin County, California, USA
10.5km (6.5 miles) ⓘMartinelli Ranch Quarry, Bivalve, Marin County, California, USA
11.4km (7.1 miles) ⓘUnnamed stone occurrence [11], Inverness Park, Inverness Ridge (Point Reyes Hill), Point Reyes Cape, Marin County, California, USA
12.2km (7.6 miles) ⓘBurdell Mountain Quarry, Novato, Marin County, California, USA
12.4km (7.7 miles) ⓘUnnamed stone occurrence [10], Novato, Marin County, California, USA
12.6km (7.8 miles) ⓘBorello Quarry, Millerton, Marin County, California, USA
 
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