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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Magnesite from
Heath Canyon flood control channel, Wrightwood, San Bernardino County, California, USA


Locality type:Channel
Classification
Species:Magnesite
Formula:MgCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnesite data
Locality Data:Click here to view Heath Canyon flood control channel, Wrightwood, San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:998161
Long-form Identifier:1:3:998161:4
GUID (UUID V4):0
Nearest other occurrences of Magnesite
40.4km (25.1 miles) ⓘJensen Quarry, Jurupa Mountains, Jurupa Valley, Riverside County, California, USA
42.6km (26.5 miles) ⓘCommercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
60.2km (37.4 miles) ⓘBall Iron deposits (Ball Mine; Ball Magnesite deposit; Ball; Red Seal), Sidewinder Mountain, Rodman Mountains, Belleville Mining District, San Bernardino County, California, USA
62.3km (38.7 miles) ⓘKramer Hills deposit (Unnamed Magnesite deposit [2]), Kramer Hills [hills], Kramer Hills [town], East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA
66.9km (41.5 miles) ⓘRichter deposit (Richter Dolomite deposit; Marter claims), Lucerne Valley, Lucerne Valley Limestone District, San Bernardino County, California, USA
69.6km (43.2 miles) ⓘUnnamed Dolomite-Magnesite deposit [5] (Unnamed Dolomite deposit), Goat Mountain, Ord Mountains, Ord Mining District, San Bernardino County, California, USA
78.6km (48.8 miles) ⓘBissell Magnesite deposit, Bissell, Kern County, California, USA
78.9km (49.0 miles) ⓘSaddleback Mountain, East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA
79.3km (49.3 miles) ⓘPrince Mines, Green Valley, Sierra Pelona Mts (Sierra Pelona Range), Los Angeles County, California, USA
80.2km (49.8 miles) ⓘUnnamed Magnesite occurrence, Green Valley, Sierra Pelona Mts (Sierra Pelona Range), Los Angeles County, California, USA
References
Cannon Microprobe Services, Seattle, WA
 
and/or  
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