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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K Feldspar from
Marten Creek Pegmatite, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA


Locality type:Creek
Classification
Species:'K Feldspar' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view K Feldspar data
Locality Data:Click here to view Marten Creek Pegmatite, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:986971
Long-form Identifier:1:3:986971:4
GUID (UUID V4):0
Nearest other occurrences of K Feldspar
13.1km (8.1 miles) ⓘPuffball claim, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
13.3km (8.2 miles) ⓘChair Peak Lake, Snoqualmie Mining District, King County, Washington, USA
13.7km (8.5 miles) ⓘPorter Claim, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
13.9km (8.6 miles) ⓘHardscrabble Creek, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
17.6km (10.9 miles) ⓘDenny Gulch, Denny Mountain, Snoqualmie Mining District, King County, Washington, USA
18.6km (11.6 miles) ⓘCrater Lake, Snoqualmie Mining District, King County, Washington, USA
20.4km (12.7 miles) ⓘMount Si, Snoqualmie Mining District, King County, Washington, USA
44.3km (27.5 miles) ⓘMackinaw Mine, Monte Cristo Mining District, Snohomish County, Washington, USA
60.4km (37.5 miles) ⓘHicks Butte complex, Kittitas County, Washington, USA
74.7km (46.4 miles) ⓘCarbon River (Upthascap River), Pierce County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.
 
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