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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Barium-bearing Celestine from
Birthday Mine, Mountain Pass Mine, Mountain Pass, Mountain Pass District, Clark Mts (Clark Mountain Range), San Bernardino County, California, USA


Locality type:Mine
Classification
Species:Celestine var: Barium-bearing Celestine
Formula:(Sr,Ba)SO4
Comments:Occurs as abundant crystals to 1 inch (2.5 cm) diameter in a large ankeritic vein.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Ankerite
Data
Mineral Data:Click here to view Barium-bearing Celestine data
Locality Data:Click here to view Birthday Mine, Mountain Pass Mine, Mountain Pass, Mountain Pass District, Clark Mts (Clark Mountain Range), San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:649378
Long-form Identifier:1:3:649378:3
GUID (UUID V4):0
Nearest other occurrences of Barium-bearing Celestine
1.3km (0.8 miles) ⓘMountain Pass Mine, Mountain Pass, Mountain Pass District, Clark Mts (Clark Mountain Range), San Bernardino County, California, USA
References
Olson, Jerry Chipman, , Shawe, D.R., Pray, L.C., and Sharp, W.N. (1954), Rare-earth mineral deposits of the Mountain Pass district, San Bernardino County, California: USGS PP 261: 34
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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