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Glaucophane from
Guerneville, Guerneville Mining District, Coast Range, Sonoma County, California, USA


Classification
Species:Glaucophane
Formula:◻Na2(Mg3Al2)Si8O22(OH)2
Comments:Occurs as lawsonite-glaucophane schist.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Lawsonite
Data
Mineral Data:Click here to view Glaucophane data
Locality Data:Click here to view Guerneville, Guerneville Mining District, Coast Range, Sonoma County, California, USA
Data Identifiers
Mindat Occurrence Record ID:672380
Long-form Identifier:1:3:672380:4
GUID (UUID V4):0
Nearest other occurrences of Glaucophane
9.1km (5.7 miles) ⓘCamp Meeker, Coast Range, Sonoma County, California, USA
9.7km (6.0 miles) ⓘWard Creek [1], Cazadero, Coast Range, Sonoma County, California, USA
11.1km (6.9 miles) ⓘWard Creek [2], Cazadero, Coast Range, Sonoma County, California, USA
12.9km (8.0 miles) ⓘMouth of the Russian River area, Jenner, Russian River Mining District, Coast Range, Sonoma County, California, USA
21.4km (13.3 miles) ⓘValley Ford, Sonoma County, California, USA
21.6km (13.4 miles) ⓘEbabias Creek, Valley Ford, Sonoma County, California, USA
31.6km (19.6 miles) ⓘMelitta, Santa Rosa, Sonoma County, California, USA
37.7km (23.4 miles) ⓘWall Street Mine (Cincinnati Mine; Nevada Mine), Castle Rock Springs, East Mayacmas Mining District, Lake County, California, USA
42.8km (26.6 miles) ⓘRosenhahnite occurrence, Russian River, Cloverdale area, Mendocino County, California, USA
55.4km (34.4 miles) ⓘNicasio, Marin County, California, USA
References
Smith, James Perrin (1906), The paragenesis of the minerals in the glaucophane-bearing rocks of California: American Philosophical Society Proceedings: 45: 212
Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.
 
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