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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Siderite from
Comstock Mine, Newport Mining District, Pend Oreille County, Washington, USA


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Comstock Mine, Newport Mining District, Pend Oreille County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:135147
Long-form Identifier:1:3:135147:7
GUID (UUID V4):0
Nearest other occurrences of Siderite
1.0km (0.6 miles) ⓘKootenai Conquest Mine, Newport Mining District, Pend Oreille County, Washington, USA
42.1km (26.2 miles) ⓘCopper King Mine, Chewelah Mining District, Stevens County, Washington, USA
42.3km (26.3 miles) ⓘChinto Mine, Chewelah Mining District, Stevens County, Washington, USA
43.4km (27.0 miles) ⓘUnited Copper Mine, Chewelah Mining District, Stevens County, Washington, USA
44.7km (27.8 miles) ⓘIron Mask Prospect Mine (Silver Butte; Silver Hill?), Pend Oreille Mining District, Bonner County, Idaho, USA
45.4km (28.2 miles) ⓘSilver Butte Mine (Brown Bear Vein; Catharine; Silver Hill), Pend Oreille Mining District, Bonner County, Idaho, USA
45.9km (28.5 miles) ⓘStemwinder Prospect (Silver Butte ?), Pend Oreille Mining District, Bonner County, Idaho, USA
46.1km (28.7 miles) ⓘSurprise Mine, Pend Oreille Mining District, Bonner County, Idaho, USA
46.5km (28.9 miles) ⓘBetter Times Prospect, Pend Oreille Mining District, Bonner County, Idaho, USA
46.6km (28.9 miles) ⓘSnowbird Mine, Pend Oreille Mining District, Bonner County, Idaho, USA
References
Derkey, Robert E., Joseph, Nancy L., Lasmanis, Raymond (1990, November) Metal Mines of Washington - Preliminary Report. Open File Report 90-18. Washington Division of Geology and Earth Resources
 
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