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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Aragonite from
Fort Point, San Francisco, San Francisco County, California, USA


07826050017371206956354.jpg
Aragonite

Fort Point, San Francisco, San Francisco County, California, USA
07826050017371206956354.jpg
Aragonite

Fort Point, San Francisco, San Francisco County, California, USA
09346190017371206964383.jpg
Aragonite

Fort Point, San Francisco, San Francisco County, California, USA
Locality type:Point
Classification
Species:Aragonite
Formula:CaCO3
Comments:Occurs in seams in serpentine.
Habit:Slender prisms
Colour:Colourless
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Serpentine Subgroup
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Fort Point, San Francisco, San Francisco County, California, USA
Data Identifiers
Mindat Occurrence Record ID:423416
Long-form Identifier:1:3:423416:6
GUID (UUID V4):0
Nearest other occurrences of Aragonite
10.7km (6.6 miles) ⓘReed Station, Tiburon Peninsula, Marin County, California, USA
66.9km (41.5 miles) ⓘTolenas Springs Quarry, Fairfield, Solano County, California, USA
89.8km (55.8 miles) ⓘNew Almaden Mining District, Santa Clara County, California, USA
99.5km (61.8 miles) ⓘPacific Cement and Aggregate Company quarry, Santa Cruz, Santa Cruz County, California, USA
References
 
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