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
Unnamed Magnesite prospect [5], Calico, Calico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino County, California, USA


Locality type:Prospect
Classification
Species:Magnesite
Formula:MgCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnesite data
Locality Data:Click here to view Unnamed Magnesite prospect [5], Calico, Calico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1019399
Long-form Identifier:1:3:1019399:2
GUID (UUID V4):0
Nearest other occurrences of Magnesite
3.7km (2.3 miles) ⓘUnnamed Magnesite prospect [4], Harvard (Blythe), San Bernardino County, California, USA
24.8km (15.4 miles) ⓘNW Barstow Dolomite (Dolomite Northwest of Barstow Cal.), Barstow, Barstow Mining District, San Bernardino County, California, USA
37.7km (23.4 miles) ⓘUnnamed Dolomite-Magnesite deposit [5] (Unnamed Dolomite deposit), Goat Mountain, Ord Mountains, Ord Mining District, San Bernardino County, California, USA
41.9km (26.0 miles) ⓘRichter deposit (Richter Dolomite deposit; Marter claims), Lucerne Valley, Lucerne Valley Limestone District, San Bernardino County, California, USA
43.3km (26.9 miles) ⓘBall Iron deposits (Ball Mine; Ball Magnesite deposit; Ball; Red Seal), Sidewinder Mountain, Rodman Mountains, Belleville Mining District, San Bernardino County, California, USA
46.3km (28.8 miles) ⓘBessemer Iron Dolomite, Iron Ridge, Lava Beds District (Newberry District), Lava Bed Mountains, San Bernardino County, California, USA
66.8km (41.5 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
78.2km (48.6 miles) ⓘSaddleback Mountain, East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA
81.0km (50.3 miles) ⓘUnnamed Pumice quarry [3], West Baker, Kramer Borate deposit, Boron, Kern County, California, USA
86.1km (53.5 miles) ⓘSugar Loaf Mountain prospect, Woodlands (Erwin Lake), Baldwin Lake District, San Bernardino County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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