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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Quartz from
Doris Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA


Locality type:Prospect
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Doris Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:353263
Long-form Identifier:1:3:353263:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.3km (0.8 miles) ⓘMarvel, Silver Creek Mining District, Snohomish County, Washington, USA
1.8km (1.1 miles) ⓘSultan King Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
2.2km (1.4 miles) ⓘFlorence Rae Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
2.4km (1.5 miles) ⓘCalumet Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
2.9km (1.8 miles) ⓘIowa Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
3.2km (2.0 miles) ⓘJerry Chatman Mine, Monte Cristo Mining District, Snohomish County, Washington, USA
3.8km (2.3 miles) ⓘJasperson Mine, Silver Creek Mining District, Snohomish County, Washington, USA
4.5km (2.8 miles) ⓘMorning Star Mine, Silver Creek Mining District, Snohomish County, Washington, USA
4.5km (2.8 miles) ⓘMartin Engdahl Prospect, Silver Creek Mining District, Snohomish County, Washington, USA
4.6km (2.9 miles) ⓘNew York-Seattle Mine, Silver Creek Mining District, Snohomish County, Washington, USA
References
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
 
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