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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Pyroxene Group from
Round Valley Mine, Round Valley, Bishop Mining District (Tungsten Hills Mining District), Inyo County, California, USA


Locality type:Mine
Classification
Species:'Pyroxene Group' (not an IMA approved species)
Formula:ADSi2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyroxene Group data
Locality Data:Click here to view Round Valley Mine, Round Valley, Bishop Mining District (Tungsten Hills Mining District), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:327258
Long-form Identifier:1:3:327258:9
GUID (UUID V4):0
Nearest other occurrences of Pyroxene Group
26.6km (16.6 miles) ⓘHilton Creek Mine (Nicoll Hilton Creek Mine; Milton Creek prospect; Filipelli prospect pits; Hilton Creek project; Phelps Hilton Creek Mine), Mount Morgan, Mono County, California, USA
27.6km (17.2 miles) ⓘR & R claims, Black Canyon Spring, White Mountains, Inyo County, California, USA
64.6km (40.1 miles) ⓘLemont group, June Lake, Mono County, California, USA
68.2km (42.4 miles) ⓘStrawberry Mine (Strawberry Tungsten Mine; Strawberry-Macdougald Tungsten; Strawberry Tungsten deposits), Timber Knob, Madera County, California, USA
68.6km (42.7 miles) ⓘGarnet Dike Mine, Crabtree, Fresno County, California, USA
86.3km (53.6 miles) ⓘLong Ledge No. 1 Mine (Wood's Mine; Grizzly Bear Mine; Wood's Grizzly Bear Mine), Long Ledge group, Hog Mountain, Fresno County, California, USA
95.6km (59.4 miles) ⓘCooney Zinc Mine, Copper Mountain, Jordan Mining District, Mono County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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