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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Melanterite from
Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA


Locality type:Mining District
Classification
Species:Melanterite
Formula:Fe2+(H2O)6(SO4) · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Melanterite data
Locality Data:Click here to view Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:358258
Long-form Identifier:1:3:358258:9
GUID (UUID V4):0
Localities for Melanterite in this Region
Ben Butler Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
Black Iron Mine (Eagle No. 2 Mine; Iron Mask), Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
Eagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
Nearest other occurrences of Melanterite
0.0km (0.0 miles) ⓘEagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
0.8km (0.5 miles) ⓘBen Butler Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
1.6km (1.0 miles) ⓘBlack Iron Mine (Eagle No. 2 Mine; Iron Mask), Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
33.3km (20.7 miles) ⓘGreenback Mine, Iron Hill, Lake County, Colorado, USA
37.5km (23.3 miles) ⓘBuckskin Joe Mine (Buckskin Joe; Phillips Mine), Alma Mining District, Park County, Colorado, USA
50.1km (31.1 miles) ⓘCinamon Gulch - Geneva Gulch, Montezuma Mining District (Snake River Mining District), Summit County, Colorado, USA
63.8km (39.6 miles) ⓘSulfate occurrence near Egeria, Yarmany, Routt County, Colorado, USA
64.1km (39.8 miles) ⓘEgeria, Toponas, Routt County, Colorado, USA
78.0km (48.5 miles) ⓘPrompt Pay Mine, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
References
USGS PP 1017(Lovering,1978)
 
and/or  
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