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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Rhodochrosite from
Arroyo Mocho Road occurrence (Mines Road ?), Mendenhall Springs, Livermore Mining District (Tesla District), Alameda County, California, USA


Locality type:Occurrence
Classification
Species:Rhodochrosite
Formula:MnCO3
Comments:Occurs with Mn oxides.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Manganese Oxides
Data
Mineral Data:Click here to view Rhodochrosite data
Locality Data:Click here to view Arroyo Mocho Road occurrence (Mines Road ?), Mendenhall Springs, Livermore Mining District (Tesla District), Alameda County, California, USA
Data Identifiers
Mindat Occurrence Record ID:648290
Long-form Identifier:1:3:648290:9
GUID (UUID V4):0
Nearest other occurrences of Rhodochrosite
0.2km (0.1 miles) ⓘCamp 9 deposit (Camp 9 Merchant; Cummings), Mendenhall Springs, Livermore Mining District (Tesla District), Alameda County, California, USA
1.2km (0.7 miles) ⓘNelson Bailey Mine (Nelson lease; Bailey Mine; Newhall Mine), Mendenhall Springs, Livermore Mining District (Tesla District), Alameda County, California, USA
5.2km (3.2 miles) ⓘChaney Winship-Doak Mine (Winship-Donovan Mine; Chaney deposit; Chaney lease), Tesla, Livermore Mining District (Tesla District), Alameda County, California, USA
11.3km (7.0 miles) ⓘSection 14 Mine (Section 14 deposit), Sugarloaf Butte, Cedar Mountain Mining District, Alameda County, California, USA
12.8km (7.9 miles) ⓘScott prospect, Eagle Mountain, Ladd-Buckeye Mining District, San Joaquin County, California, USA
13.2km (8.2 miles) ⓘFabian Mine, Castle Rock, Ladd-Buckeye Mining District, San Joaquin County, California, USA
13.6km (8.4 miles) ⓘLadd Mine (Old Ladd Mine; Corral Hollow Mine; Carral Hollow Mine), Castle Rock, Ladd-Buckeye Mining District, San Joaquin County, California, USA
14.7km (9.1 miles) ⓘCummings Mine (Cummings lease; Section 13; Lone Tree; Winship property), Eagle Mountain, Ladd-Buckeye Mining District, San Joaquin County, California, USA
23.9km (14.9 miles) ⓘBuckeye Mine (Buckeye Mines; Wright Mine), Mount Oso, Ladd-Buckeye Mining District, Stanislaus County, California, USA
25.7km (15.9 miles) ⓘMoran Brothers Mine (Moy Mine; Stanislaus County occurrence), Mount Oso, Ladd-Buckeye Mining District, Stanislaus County, California, USA
References
Bradley, W.W., et al (1918), Manganese and chromium in California: California Mining Bureau. Bulletin 76: 26
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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