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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Gneiss from
Unnamed Au-Ag mine [96], Essex, Fenner Valley, San Bernardino County, California, USA


Locality type:Mine
Classification
Type:Gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gneiss data
Locality Data:Click here to view Unnamed Au-Ag mine [96], Essex, Fenner Valley, San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1027241
Long-form Identifier:1:3:1027241:1
GUID (UUID V4):0
Nearest other occurrences of Gneiss
6.4km (3.9 miles) ⓘBarred Spring prospect (Barrel Spring prospect ??; Unnamed prospect), Barrel Spring, Piute Mts [S], San Bernardino County, California, USA
7.0km (4.3 miles) ⓘMercury Mountain Mine (Mercury Mtn Mine; Unnamed prospect; Unnamed location), Mercury Mountain, Old Woman District, Old Woman Mountains, San Bernardino County, California, USA
9.7km (6.0 miles) ⓘPiute Mountains Mine (Unnamed Gold-Silver occurrence; Unnamed mine), Fenner Spring, Piute Mts [S], San Bernardino County, California, USA
12.9km (8.0 miles) ⓘUnnamed Au mine [236], Castle Dome, Gold Reef District, Clipper Mountains, San Bernardino County, California, USA
14.1km (8.8 miles) ⓘClipper Mountains Iron deposit (Unnamed Iron deposit), Castle Dome, Gold Reef District, Clipper Mountains, San Bernardino County, California, USA
14.4km (9.0 miles) ⓘUnnamed Fe occurrence [11] (Section 24 Iron), Castle Dome, Gold Reef District, Clipper Mountains, San Bernardino County, California, USA
17.9km (11.1 miles) ⓘClipper Mountains Mine, Castle Dome, Gold Reef District, Clipper Mountains, San Bernardino County, California, USA
18.2km (11.3 miles) ⓘUnnamed Au prospect [209], Fenner Spring, Piute Mts [S], San Bernardino County, California, USA
18.2km (11.3 miles) ⓘUnnamed Au mine [243] (Unnamed prospect; Gold prospect), Mountain Spring Camp, Piute Mts [S], San Bernardino County, California, USA
21.3km (13.2 miles) ⓘUnnamed Au mine [242] (Unnamed prospect; Gold occurrence), Mountain Spring Camp, Piute Mts [S], San Bernardino County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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