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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Magnesiochromite from
Aurora Mine (Morning Star), Idria Peak, San Benito County, California, USA


Locality type:Mine
Classification
Species:Magnesiochromite
Formula:MgCr2O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnesiochromite data
Locality Data:Click here to view Aurora Mine (Morning Star), Idria Peak, San Benito County, California, USA
Data Identifiers
Mindat Occurrence Record ID:648384
Long-form Identifier:1:3:648384:5
GUID (UUID V4):0
Nearest other occurrences of Magnesiochromite
1.7km (1.1 miles) ⓘBuena Vista prospect (Buena Vista deposit), Idria Peak, San Benito County, California, USA
3.8km (2.3 miles) ⓘMcCray deposit, Alta Peak, San Benito County, California, USA
4.2km (2.6 miles) ⓘClear Creek deposits, Idria Peak, San Benito County, California, USA
4.3km (2.7 miles) ⓘHines deposit, Picacho Peak, San Benito County, California, USA
4.9km (3.1 miles) ⓘHarrison deposit, Picacho Peak, San Benito County, California, USA
5.8km (3.6 miles) ⓘUnnamed Cr occurrence [7], Alta Peak, San Benito County, California, USA
5.8km (3.6 miles) ⓘTrinity deposit, Picacho Peak, San Benito County, California, USA
5.8km (3.6 miles) ⓘAlpine Mine, Goat Mountain, San Benito County, California, USA
5.8km (3.6 miles) ⓘClear Creek claim, Goat Mountain, San Benito County, California, USA
6.4km (4.0 miles) ⓘSanta Rita deposit, Santa Rita Peak, San Benito County, California, USA
References
Walker, G.W. & .B. Griggs (1953), Chromite deposits of the southern Coast Ranges of California: California Division of Mines Bulletin 134, pt. 2, chap. 2: 54-55, 80
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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