Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Dolomite from
Socrates Mine, Castle Rock Springs area, West Mayacmas Mining District, Sonoma County, California, USA


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Socrates Mine, Castle Rock Springs area, West Mayacmas Mining District, Sonoma County, California, USA
Data Identifiers
Mindat Occurrence Record ID:484138
Long-form Identifier:1:3:484138:8
GUID (UUID V4):0
Nearest other occurrences of Dolomite
4.2km (2.6 miles) ⓘBig Injun Mine, Castle Rock Springs, East Mayacmas Mining District, Lake County, California, USA
11.4km (7.1 miles) ⓘGreat Western Mine (Laguna Western; Black Bart Mine; Tucker lease), Great Western-Mirabel group, Middletown, East Mayacmas Mining District, Lake County, California, USA
15.2km (9.5 miles) ⓘMirabel Mine, Middletown, East Mayacmas Mining District, Lake County, California, USA
18.5km (11.5 miles) ⓘLivermore Quicksilver Mine, Cloverdale, West Mayacmas Mining District, Sonoma County, California, USA
21.5km (13.3 miles) ⓘCorona Mines (Vallejo Mines), Twin Peaks, Calistoga, Napa County, California, USA
28.0km (17.4 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
31.1km (19.3 miles) ⓘGreat Eastern and Mount Jackson Mine, Guerneville, Guerneville Mining District, Coast Range, Sonoma County, California, USA
31.8km (19.7 miles) ⓘRed Elephant Mine, Knoxville area, Knoxville Mining District, Lake County, California, USA
35.4km (22.0 miles) ⓘReed Mine (California Mine; Royal Mine; Soda Springs Mine), Knoxville area, Knoxville Mining District, Coast Ranges, Yolo County, California, USA
References
Fen Cooper (2002) Mineral News, 18, #10, 1-8.
 
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