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
Iron Mask Prospect Mine (Silver Butte; Silver Hill?), Pend Oreille Mining District, Bonner County, Idaho, 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 Iron Mask Prospect Mine (Silver Butte; Silver Hill?), Pend Oreille Mining District, Bonner County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:448145
Long-form Identifier:1:3:448145:4
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.8km (0.5 miles) ⓘSilver Butte Mine (Brown Bear Vein; Catharine; Silver Hill), Pend Oreille Mining District, Bonner County, Idaho, USA
1.6km (1.0 miles) ⓘStemwinder Prospect (Silver Butte ?), Pend Oreille Mining District, Bonner County, Idaho, USA
3.0km (1.8 miles) ⓘSurprise Mine, Pend Oreille Mining District, Bonner County, Idaho, USA
3.3km (2.1 miles) ⓘTalache Mine (Blacktail; Keystone; Armstead; Little Joe Brown Bear; B. F. and H.), Pend Oreille Mining District, Bonner County, Idaho, USA
3.5km (2.2 miles) ⓘBetter Times Prospect, Pend Oreille Mining District, Bonner County, Idaho, USA
3.5km (2.2 miles) ⓘAnderson Prospect, Pend Oreille Mining District, Bonner County, Idaho, USA
4.1km (2.5 miles) ⓘSnowbird Mine, Pend Oreille Mining District, Bonner County, Idaho, USA
4.4km (2.8 miles) ⓘWisconsin Prospect, Pend Oreille Mining District, Bonner County, Idaho, USA
8.0km (5.0 miles) ⓘAmerican Eagle Prospect, Pend Oreille Mining District, Bonner County, Idaho, USA
9.0km (5.6 miles) ⓘM. B. Prospect, Pend Oreille Mining District, Bonner County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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