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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Magnetite from
Dorothy O Claim, Cheyenne Mining District (St. Peters Dome Mining District), El Paso County, Colorado, USA


Locality type:Claim
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Dorothy O Claim, Cheyenne Mining District (St. Peters Dome Mining District), El Paso County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:374201
Long-form Identifier:1:3:374201:3
GUID (UUID V4):0
Nearest other occurrences of Magnetite
3.0km (1.9 miles) ⓘMount Rosa, El Paso County, Colorado, USA
43.0km (26.7 miles) ⓘBlue Mountain Mine, Tarryall Springs Mining District (Puma City), Park County, Colorado, USA
47.2km (29.3 miles) ⓘMcMullin Lease No. 2 Occurrence, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
47.3km (29.4 miles) ⓘEight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
48.0km (29.8 miles) ⓘMeyers - McMullin pegmatite occurrence, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
48.6km (30.2 miles) ⓘRim Pegmatite Occurrence (Rim Prospect), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
49.6km (30.8 miles) ⓘClimax Mine (Mine No. 8 U.S. Mica Company; Climax Mica Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA
49.9km (31.0 miles) ⓘRing Pegmatite Occurrence (Ring Prospect), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
50.2km (31.2 miles) ⓘWhopper Mine and Prospect, Micanite Mining District (Currant Creek Mining District), Colorado, USA
50.2km (31.2 miles) ⓘBaumer Pegmatite Prospect, Guffey Mining District, Park County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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