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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Hemimorphite from
Defiance 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


Locality type:Mine
Classification
Species:Hemimorphite
Formula:Zn4Si2O7(OH)2 · H2O
Comments:Occurs as crusts with occasional crystals.
Colour:Colorless
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Aurichalcite
Data
Mineral Data:Click here to view Hemimorphite data
Locality Data:Click here to view Defiance 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
Data Identifiers
Mindat Occurrence Record ID:668359
Long-form Identifier:1:3:668359:7
GUID (UUID V4):0
Nearest other occurrences of Hemimorphite
2.6km (1.6 miles) ⓘStandard Mine, Ruona group, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
2.8km (1.8 miles) ⓘChristmas Gift Mine, Ophir Mountain, Darwin Mining District, Darwin Hills, Inyo County, California, USA
3.2km (2.0 miles) ⓘLucky Lucy Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
3.3km (2.0 miles) ⓘCuster Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
4.1km (2.5 miles) ⓘDarwin Mining District, Darwin Hills, Inyo County, California, USA
9.5km (5.9 miles) ⓘZinc Hill Mine (Utacaia group; Colorado group; Darwin Zinc prospect), Zinc Hill, Zinc Hill Mining District, Argus Mts (Argus Range), Inyo County, California, USA
10.1km (6.3 miles) ⓘCactus Owen prospect (Midway prospect), Eagle Point, Talc City Mining District, Talc City Hills, Inyo Mts (Inyo Range), Inyo County, California, USA
10.1km (6.3 miles) ⓘEmpress Mine, Zinc Hill, Zinc Hill Mining District, Argus Mts (Argus Range), Inyo County, California, USA
16.6km (10.3 miles) ⓘMinnietta Mine (Minnietta Mines; Minietta Mine; Minneatta; St. John), Lookout City, Lookout Mining District (Modoc Mining District), Argus Mts (Argus Range), Inyo County, California, USA
16.9km (10.5 miles) ⓘArgus Sterling Mine, Maturango Peak, Argus Mts (Argus Range), Inyo County, California, USA
References
Knopf, Adolf (1914a), The Darwin silver-lead mining district, California: USGS Bulletin 580: 12
Murdoch, Joseph; Webb, Robert W. (1942) Notes on some minerals from southern California. III. American Mineralogist, 27 (4). 323-330
Hall, Wayne Everett & Edward M. Mackevett (1963), Geology and ore deposits of the Darwin quadrangle, Inyo County, California: USGS PP 368: 64
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 89, 217.
 
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