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
Triplets Peak Breccia, Cascade River, Cascade Mining District, Skagit County, Washington, USA


Locality type:Peak
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Triplets Peak Breccia, Cascade River, Cascade Mining District, Skagit County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:110512
Long-form Identifier:1:3:110512:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.7km (0.4 miles) ⓘPioneer Claims, Cascade Mining District, Skagit County, Washington, USA
1.5km (0.9 miles) ⓘQueen and Buchanann Prospect, Cascade River, Cascade Mining District, Skagit County, Washington, USA
2.0km (1.2 miles) ⓘRouse Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
2.1km (1.3 miles) ⓘDoubtful Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
2.2km (1.4 miles) ⓘFalls Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
2.2km (1.4 miles) ⓘQuien Sabe Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
2.3km (1.4 miles) ⓘSoldier Boy Claim, Cascade Mining District, Skagit County, Washington, USA
2.3km (1.4 miles) ⓘCascade Consolidated Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
2.6km (1.6 miles) ⓘIowa-Olympia Claims, Cascade Mining District, Skagit County, Washington, USA
2.7km (1.7 miles) ⓘMidas Claims, Cascade Mining District, Skagit County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.
 
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