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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Chalcedony from
Barium Queen Mine, Mitchel Range, Barstow Mining District, San Bernardino County, California, USA


Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Comments:Occurs as pseudomorphs after calcite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Barium Queen Mine, Mitchel Range, Barstow Mining District, San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:648609
Long-form Identifier:1:3:648609:9
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
5.3km (3.3 miles) ⓘCalico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino County, California, USA
11.3km (7.0 miles) ⓘChalcedony Pseudomorphs occurrence, Mud Hills (Strontium Hills), Barstow Mining District, San Bernardino County, California, USA
14.4km (8.9 miles) ⓘMud Hills (Strontium Hills), Barstow Mining District, San Bernardino County, California, USA
14.5km (9.0 miles) ⓘPedry Mine (San Antonio Mine; Pedry deposit; Golden Witch Mine; Golden Witch deposit), Mount General (Mt General), Hinkley, Barstow Mining District, San Bernardino County, California, USA
29.6km (18.4 miles) ⓘBlack Raven prospect (Lankin; Newberry), Newberry Springs, Newberry Mountains, San Bernardino County, California, USA
31.5km (19.6 miles) ⓘOpal Mountains Agate Field prospect (Black Mountain; Black Mtn), Opal Mountain, San Bernardino County, California, USA
34.9km (21.7 miles) ⓘAlvord Mine, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino County, California, USA
36.7km (22.8 miles) ⓘTurtle Mountain, Bell Mountain, San Bernardino County, California, USA
47.3km (29.4 miles) ⓘUnnamed Hg occurrence [3], Eagle Crags, San Bernardino County, California, USA
50.7km (31.5 miles) ⓘWide Valley Agate occurrence, San Bernardino County, California, USA
References
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 317.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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