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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Calcite from
Green Lead Mine (Greenlead Mine), Fawnskin (Grout), Bear Valley District, San Bernardino County, California, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Green Lead Mine (Greenlead Mine), Fawnskin (Grout), Bear Valley District, San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:66949
Long-form Identifier:1:3:66949:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
1.0km (0.6 miles) ⓘDesert View Mine, Fawnskin (Grout), Bear Valley District, San Bernardino County, California, USA
7.8km (4.9 miles) ⓘWhite Knob Quarry, Lucerne Valley, Lucerne Valley Limestone District, San Bernardino County, California, USA
11.0km (6.8 miles) ⓘCarbonate Mine (Carbonate Hill Mine; Red Jeep Mine), Big Bear City, Bear Valley District, San Bernardino County, California, USA
17.2km (10.7 miles) ⓘSanta Fe Mines (Black Hawk; Santa Fe; Lady Alice; Cliff; Lookout and Opera; Arlington; Calumet; Calle De Oro; Hecla), Silver Peak [1], Blackhawk District (Silver Reef District), San Bernardino County, California, USA
26.3km (16.4 miles) ⓘRose and Monte Cristo Mine (Rose Mine; Christie), Rose Mine (Rose and Monte Cristo; Christie; Homestake Mine), Tip Top Mountain, Baldwin Lake District, San Bernardino County, California, USA
26.4km (16.4 miles) ⓘRose Mine (Rose and Monte Cristo; Christie; Homestake Mine), Tip Top Mountain, Baldwin Lake District, San Bernardino County, California, USA
38.5km (23.9 miles) ⓘGold Belt Mine (Gold Peak; McGinnis), Goat Mountain, Ord Mountains, Ord Mining District, San Bernardino County, California, USA
43.2km (26.8 miles) ⓘEngland claim, Ord Mountain Mine (Ord Mountain Mine System; Ord Mine; Ord Mountain deposits; Osborn; Rio Vista claim; Brilliant claim; Josephine claim; Belgium claim; Copper Junction claim), Ord Mountain, Ord Mountains, Ord Mining District, San Bernardino County, California, USA
43.2km (26.8 miles) ⓘOrd Mountain Mine (Ord Mountain Mine System; Ord Mine; Ord Mountain deposits; Osborn; Rio Vista claim; Brilliant claim; Josephine claim; Belgium claim; Copper Junction claim), Ord Mountain, Ord Mountains, Ord Mining District, San Bernardino County, California, USA
43.7km (27.2 miles) ⓘSlover Mountain Quarry (California Portland Cement Company Quarry; Colton Marble), West Colton, San Bernardino County, California, USA
References
Rocks & Min.:61:33-34.
 
and/or  
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