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
Crater Lake, Snoqualmie Mining District, King County, Washington, USA


Locality type:Lake
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Crater Lake, Snoqualmie Mining District, King County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:95682
Long-form Identifier:1:3:95682:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.4km (0.8 miles) ⓘBald Hornet Claim, Snoqualmie Mining District, King County, Washington, USA
1.4km (0.9 miles) ⓘMount Si Copper Prospect, Snoqualmie Mining District, King County, Washington, USA
1.5km (0.9 miles) ⓘMount Teneriffe breccia, Snoqualmie Mining District, King County, Washington, USA
1.6km (1.0 miles) ⓘBald Hornet Prospect, Snoqualmie Mining District, King County, Washington, USA
1.9km (1.2 miles) ⓘMount Si, Snoqualmie Mining District, King County, Washington, USA
2.2km (1.4 miles) ⓘMt Teneriffe Quarry, King County, Washington, USA
2.3km (1.4 miles) ⓘMt Teneriffe Falls area, King County, Washington, USA
3.7km (2.3 miles) ⓘGreen Mountain/Bessemer Ridge, Snoqualmie Mining District, King County, Washington, USA
7.5km (4.7 miles) ⓘFuller Mountain, Snoqualmie Mining District, King County, Washington, USA
8.8km (5.4 miles) ⓘSouth Bessemer Mountain, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.69
 
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