Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Pyrite from
Allison Ranch Quartz Mine (Allison Ranch Mine; Allison Ranch vein; Allison Ranch Qtz.; Crossus Consolidated Mine; Stanton Mine), La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Allison Ranch Quartz Mine (Allison Ranch Mine; Allison Ranch vein; Allison Ranch Qtz.; Crossus Consolidated Mine; Stanton Mine), La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA
Data Identifiers
Mindat Occurrence Record ID:329833
Long-form Identifier:1:3:329833:6
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.3km (0.2 miles) ⓘWinfield Scott Mine, La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA
0.9km (0.6 miles) ⓘStar Placer Mine, Grass Valley, Grass Valley Mining District, Nevada County, California, USA
1.2km (0.8 miles) ⓘDiamond - Bullion - Alaska Mine group (Consolidated Bullion Mine; Diamond claim; Bullion claim; Alaska claim; Union Jack claim; Galena claim; Ione claim; Big Diamond vein; Galena-Bullion vein; Alaska vein), La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA
1.3km (0.8 miles) ⓘEmpire West Mine (Lone Ridge), Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
1.6km (1.0 miles) ⓘBullion Consolidated Mine (Bullion Con; Bullion Mine; La Bruja; Union Jack Mine; Smuggler Mine), Diamond - Bullion - Alaska Mine group (Consolidated Bullion Mine; Diamond claim; Bullion claim; Alaska claim; Union Jack claim; Galena claim; Ione claim; Big Diamond vein; Galena-Bullion vein; Alaska vein), La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA
1.6km (1.0 miles) ⓘOmaha Consolidated Mine (Omaha Cons.; Lone Jack Mine; Omaha vein), Empire West Mine (Lone Ridge), Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
1.8km (1.1 miles) ⓘConlon Mine (Winding lode; Winding claim; Lafayette claim; Conlin; Conlan; Comet claim; Jefferson claim; Jefferson lode), La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA
1.9km (1.2 miles) ⓘNorambagua group (Norambagua Mine; Norambagua No. 2 Mine; Three Stevens; Three Sevens), Belle Union Mine, La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA
2.4km (1.5 miles) ⓘNew York Hill Mine (New York Hill vein; North Star vein), North Star group, Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
2.6km (1.6 miles) ⓘTelegraph Mine, Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
References
Report of the State Mineralogist, Volume 16
[…(abstract): American Mineralogist: 22: 216 (1937)]: 27
Johnston, William Drumm (1938), Vein filling in Nevada City, California: Geol Society of America Bulletin: 49: 23-24
Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.
 
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