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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Psilomelane from
Road Gulch, Fremont County, Colorado, USA


Locality type:Gulch
Classification
Species:'Psilomelane' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Psilomelane data
Locality Data:Click here to view Road Gulch, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:35149
Long-form Identifier:1:3:35149:0
GUID (UUID V4):0
Nearest other occurrences of Psilomelane
20.6km (12.8 miles) ⓘWahl Iron Mine (Black Pit; Boss; Iron Contact; Dakota; South Contact; Schweigert Mine; Claims: Hudson Bay; Silver Iron), Silver Cliff Mining District, Custer County, Colorado, USA
24.2km (15.0 miles) ⓘBoulder - Mine (Boulder - Buffalo; Buffalo Hunter), Silver Cliff Mining District, Custer County, Colorado, USA
32.5km (20.2 miles) ⓘWellsville Deposit (Iron Mountain Deposit), Wellsville Area, Fremont County, Colorado, USA
32.8km (20.4 miles) ⓘBeryl Deposit, Blake Mining District (Mirage Mining District; Cotton Creek Mining District), Saguache County, Colorado, USA
38.5km (23.9 miles) ⓘElarton Manganese Deposit, Crestone Mining District (Baca Grant Mining District), Saguache County, Colorado, USA
38.9km (24.2 miles) ⓘVilla Grove Deposit, Villa Grove Area, Saguache County, Colorado, USA
41.7km (25.9 miles) ⓘSage Claim, Cleora Mining District, Chaffee County, Colorado, USA
45.8km (28.5 miles) ⓘDell Prospect (C. B. Dell Prospect), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
48.9km (30.4 miles) ⓘUnnamed Manganese Deposit (MRDS - 10013768), Cleora Mining District, Chaffee County, Colorado, USA
49.5km (30.8 miles) ⓘUnnamed Manganese Deposit (MRDS - 10087826), Cleora Mining District, Chaffee County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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