Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle for your votes!
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Serpentine Subgroup from
Gray Eagle Mine, Cooks Mountain, Coast Ranges, Colusa County, California, USA


Locality type:Mine
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Cuprite
Native Copper
Tenorite
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Gray Eagle Mine, Cooks Mountain, Coast Ranges, Colusa County, California, USA
Data Identifiers
Mindat Occurrence Record ID:671826
Long-form Identifier:1:3:671826:8
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
23.5km (14.6 miles) ⓘBrown Mine, Sugarloaf Hill, Glenn County, California, USA
23.5km (14.6 miles) ⓘUnnamed Asbestos occurrence [3], Rose Place, Lake County, California, USA
24.1km (15.0 miles) ⓘSulphur Creek deposit, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Coast Ranges, Colusa County, California, USA
24.5km (15.2 miles) ⓘAbbott Mine (Abbott Quicksilver Mine), Wilbur Springs area, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Lake County, California, USA
26.2km (16.3 miles) ⓘSulphur Bank Mine (Sulfur Bank Mine; Sulphur Bank deposits), Clear Lake Oaks, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Lake County, California, USA
54.1km (33.6 miles) ⓘSocrates Mine, Castle Rock Springs area, West Mayacmas Mining District, Sonoma County, California, USA
55.1km (34.2 miles) ⓘValley Oaks Ranch Mine (Janusz B prospect; Janusz Mining Company Mine; Janusz Mine), Hopland, Coastal Range, California, USA
55.2km (34.3 miles) ⓘHixon Ranch (Vassar Ranch), Pieta, Mendocino County, California, USA
56.6km (35.2 miles) ⓘRosenhahnite occurrence, Russian River, Cloverdale area, Mendocino County, California, USA
57.2km (35.6 miles) ⓘGreat Western Mine (Laguna Western; Black Bart Mine; Tucker lease), Great Western-Mirabel group, Middletown, East Mayacmas Mining District, Lake County, California, USA
References
(1908, September) The Copper Resources of California. Bulletin 50. California State Mining Bureaup.159
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 157, 360.
 
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