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
Border Feldspar Prospect No. 1 and No. 2, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA


Locality type:Prospect
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 Border Feldspar Prospect No. 1 and No. 2, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:374334
Long-form Identifier:1:3:374334:8
GUID (UUID V4):0
Nearest other occurrences of K Feldspar
2.9km (1.8 miles) ⓘUnknown Feldspar Occurrence (MRDS - 10017766), Fremont County, Colorado, USA
6.4km (4.0 miles) ⓘMorning Star Claims 1943, McIntyre Gulch Area, Fremont County, Colorado, USA
8.1km (5.0 miles) ⓘHorseshoe Mine (School Section Deposit), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
8.3km (5.1 miles) ⓘDawson Gold project, Fremont County, Colorado, USA
8.5km (5.3 miles) ⓘEl Plomo Mine, Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
9.1km (5.6 miles) ⓘGood News No. 1 Property (Goat Park; Good News Complex), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
12.2km (7.6 miles) ⓘGreen Mountain Mine (Copper Boy Mine), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
14.4km (8.9 miles) ⓘUnknown Mica - Feldspar Occurrence (MRDS - 10091544), McIntyre Hills Area, Fremont County, Colorado, USA
16.0km (9.9 miles) ⓘUnknown Mica - Feldspar Occurrence (MRDS - 10091545), McIntyre Hills Area, Fremont County, Colorado, USA
16.7km (10.4 miles) ⓘUnknown Feldspar Occurrence (MRDS - 10017756), Tallahassee Creek Mining District, Fremont County, Colorado, USA
References
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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