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Glaucophane from
Nicasio, Marin County, California, USA


Classification
Species:Glaucophane
Formula:◻Na2(Mg3Al2)Si8O22(OH)2
Comments:Occurs as glaucophane schist.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Apatite
Data
Mineral Data:Click here to view Glaucophane data
Locality Data:Click here to view Nicasio, Marin County, California, USA
Data Identifiers
Mindat Occurrence Record ID:642680
Long-form Identifier:1:3:642680:4
GUID (UUID V4):0
Nearest other occurrences of Glaucophane
25.0km (15.5 miles) ⓘReed Station, Tiburon Peninsula, Marin County, California, USA
25.3km (15.7 miles) ⓘCalifornia Point (Point Munroe), Tiburon Peninsula, Marin County, California, USA
34.7km (21.6 miles) ⓘValley Ford, Sonoma County, California, USA
34.8km (21.7 miles) ⓘEbabias Creek, Valley Ford, Sonoma County, California, USA
38.1km (23.7 miles) ⓘBerkeley Country Club, El Cerrito, Contra Costa County, California, USA
44.2km (27.5 miles) ⓘMelitta, Santa Rosa, Sonoma County, California, USA
46.4km (28.8 miles) ⓘCamp Meeker, Coast Range, Sonoma County, California, USA
55.4km (34.4 miles) ⓘGuerneville, Guerneville Mining District, Coast Range, Sonoma County, California, USA
57.3km (35.6 miles) ⓘMouth of the Russian River area, Jenner, Russian River Mining District, Coast Range, Sonoma County, California, USA
63.4km (39.4 miles) ⓘWard Creek [1], Cazadero, Coast Range, Sonoma County, California, USA
References
Switzer, George S. (1951) Mineralogy of the California glaucophane schists. California Division of Mines and Geology Bulletin 161: 51-70p.58
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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