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
Falls Prospect, Doubtful Lake, Stehekin Mining District, Chelan 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 Falls Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:248507
Long-form Identifier:1:3:248507:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.2km (0.1 miles) ⓘRouse Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
0.3km (0.2 miles) ⓘDoubtful Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
0.4km (0.3 miles) ⓘQuien Sabe Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
1.0km (0.6 miles) ⓘCascade Consolidated Prospect, Doubtful Lake, Stehekin Mining District, Chelan County, Washington, USA
1.6km (1.0 miles) ⓘBlack Warrior Mine, Horseshoe Basin, Stehekin Mining District, Chelan County, Washington, USA
1.6km (1.0 miles) ⓘSoldier Boy Claim, Cascade Mining District, Skagit County, Washington, USA
2.2km (1.4 miles) ⓘTriplets Peak Breccia, Cascade River, Cascade Mining District, Skagit County, Washington, USA
2.2km (1.4 miles) ⓘGold Run, Cascade Mining District, Skagit County, Washington, USA
2.3km (1.4 miles) ⓘQueen and Buchanann Prospect, Cascade River, Cascade Mining District, Skagit County, Washington, USA
2.7km (1.7 miles) ⓘPioneer Claims, Cascade Mining District, Skagit County, Washington, USA
References
Valentine, Grant M., Huntting, Marshall T. (1956) Part I - Nonmetallic minerals, in Inventory of Washington Minerals. Bulletin 37, Washington Geological Survey.
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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