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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Argillite from
Oversight Mine, Belcher Mining District, Ferry County, Washington, USA


Locality type:Mine
Classification
Type:Argillite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Argillite data
Locality Data:Click here to view Oversight Mine, Belcher Mining District, Ferry County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:1663013
Long-form Identifier:1:3:1663013:0
GUID (UUID V4):0
Nearest other occurrences of Argillite
0.6km (0.3 miles) ⓘKey East Mine, Belcher Mining District, Ferry County, Washington, USA
2.4km (1.5 miles) ⓘBelcher Mine, Belcher Mining District, Ferry County, Washington, USA
11.3km (7.0 miles) ⓘCalifornia Mine, Republic Mining District, Ferry County, Washington, USA
16.7km (10.4 miles) ⓘBlue Horse Mine, Republic Mining District, Ferry County, Washington, USA
21.9km (13.6 miles) ⓘLancaster Mine, Curlew Mining District, Ferry County, Washington, USA
27.7km (17.2 miles) ⓘMinnehaha, Danville Mining District, Ferry County, Washington, USA
32.8km (20.4 miles) ⓘLone Star and Washington Mine, Danville Mining District, Ferry County, Washington, USA
33.6km (20.9 miles) ⓘBonanza Claim, Park City Mining District, Okanogan County, Washington, USA
35.8km (22.2 miles) ⓘAtkins Prospect, Park City Mining District, Okanogan County, Washington, USA
36.5km (22.7 miles) ⓘArk Silver Queen, Kettle Falls Mining District, Stevens County, Washington, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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