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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Fluorite from
Richardson prospect (Richardson group; Reno), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA


Locality type:Prospect
Classification
Species:Fluorite
Formula:CaF2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Richardson prospect (Richardson group; Reno), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:768775
Long-form Identifier:1:3:768775:4
GUID (UUID V4):0
Nearest other occurrences of Fluorite
0.7km (0.4 miles) ⓘSt. Charles Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
0.8km (0.5 miles) ⓘBruce Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
0.8km (0.5 miles) ⓘCuster Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.0km (0.6 miles) ⓘDurham Mine (Pacific Tungsten Co.), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.0km (0.6 miles) ⓘThompson Mine, Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.1km (0.7 miles) ⓘLane Mine (Sorba Mine), Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.2km (0.7 miles) ⓘFernando Mine (St. Charles; Hayward; Darwin Silver project; Fernando and St Charles), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.2km (0.7 miles) ⓘWonder Mine, Ophir Mountain, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.3km (0.8 miles) ⓘJackass Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.4km (0.9 miles) ⓘStandard Mine, Ruona group, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
References
Knopf, Adolf (1914a), The Darwin silver-lead mining district, California: USGS Bulletin 580: 1-18.
 
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