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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Sylvanite from
Empress Josephine Mine (Empress Josephine claim; Boss Mammoth claim), Bonanza, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA


Locality type:Mine
Classification
Species:Sylvanite
Formula:AgAuTe4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sylvanite data
Locality Data:Click here to view Empress Josephine Mine (Empress Josephine claim; Boss Mammoth claim), Bonanza, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:356128
Long-form Identifier:1:3:356128:7
GUID (UUID V4):0
Nearest other occurrences of Sylvanite
1.8km (1.1 miles) ⓘHortense Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
31.3km (19.4 miles) ⓘMadonna Mine, Monarch Mining District, Chaffee County, Colorado, USA
72.1km (44.8 miles) ⓘBassick Mine (Claims: Queen Victoria; Triangle; Nemeha; William; Augusta; Maine; Georgia), Rosita Mining District, Custer County, Colorado, USA
72.9km (45.3 miles) ⓘLucille Mine, Rosita Mining District, Custer County, Colorado, USA
75.9km (47.2 miles) ⓘVulcan Mine, Vulcan Mining District (Cebolla Mining District; Domingo Mining District), Gunnison County, Colorado, USA
76.0km (47.2 miles) ⓘMammoth Chimney Mine, Vulcan Mining District (Cebolla Mining District; Domingo Mining District), Gunnison County, Colorado, USA
76.5km (47.6 miles) ⓘGood Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine), Vulcan, Vulcan Mining District (Cebolla Mining District; Domingo Mining District), Gunnison County, Colorado, USA
84.4km (52.4 miles) ⓘCarbonate King mine, Guffey Mining District, Park County, Colorado, USA
96.4km (59.9 miles) ⓘMcMillan Group, Blanca Mining District, Huerfano County, Colorado, USA
96.8km (60.2 miles) ⓘEl Paso Mine, Cripple Creek, Cripple Creek Mining District, Teller County, Colorado, USA
References
Crawford, Wm. P. (1930) Notes on rickardite, a new occurrence. American Mineralogist, 15 (7) 272-273
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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