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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Pyrite from
Guadalupe Mine, New Almaden, New Almaden Mining District, Santa Clara 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 Guadalupe Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
Data Identifiers
Mindat Occurrence Record ID:149643
Long-form Identifier:1:3:149643:7
GUID (UUID V4):0
Nearest other occurrences of Pyrite
2.4km (1.5 miles) ⓘSan Mateo Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
6.5km (4.0 miles) ⓘNew Almaden Mine (New Almaden Mines), New Almaden, New Almaden Mining District, Santa Clara County, California, USA
28.6km (17.8 miles) ⓘPacific Cement and Aggregate Company quarry, Santa Cruz, Santa Cruz County, California, USA
36.1km (22.4 miles) ⓘSharon Park Drive outcrop, Sharon Heights, Menlo Park, San Mateo County, California, USA
37.6km (23.4 miles) ⓘRianda Mine (Half Dome Mine), Pigeon Point, Santa Clara County, California, USA
56.9km (35.4 miles) ⓘBuckeye Mine (Buckeye Mines; Wright Mine), Mount Oso, Ladd-Buckeye Mining District, Stanislaus County, California, USA
64.1km (39.8 miles) ⓘComstock Mine, Pacheco Peak, Stayton Mining District (McLeod Mining District; Panoche Mining District), Santa Clara County, California, USA
65.1km (40.5 miles) ⓘAmbrose Mine (Rip Van Winkle Mine), Antimony Peak, Stayton Mining District (McLeod Mining District; Panoche Mining District), San Benito County, California, USA
67.7km (42.1 miles) ⓘGypsy Mine (Woody Mine), Antimony Peak, Stayton Mining District (McLeod Mining District; Panoche Mining District), Merced County, California, USA
68.6km (42.6 miles) ⓘStayton Mine (Stayton Quicksilver Mine; Pacific claim of Stayton group), Antimony Peak, Stayton Mining District (McLeod Mining District; Panoche Mining District), Merced County, California, USA
References
Rocks & Minerals (1944): 19: 346-347
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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