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


07338470017272729835951.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
07911790017368365575304.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
03564860017367297188612.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
06820650017272012118546.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
07338470017272729835951.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
00165100017367143651189.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
03564860017367297188612.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
06820650017272012118546.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
07338470017272729835951.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
07911790017368365575304.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
08233360017368365583600.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
06820650017272012118546.jpg
Dolomite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sphalerite10
Pyrite10
Tetrahedrite Subgroup9
- var Silver-bearing Tetrahedrite5
Chalcopyrite8
Baryte1
Ankerite1
Freibergite Subgroup1
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Eagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
Photo GalleryView Gallery (10 photos)
Data Identifiers
Mindat Occurrence Record ID:4624
Long-form Identifier:1:3:4624:4
GUID (UUID V4):0
Nearest other occurrences of Dolomite
1.9km (1.2 miles) ⓘChampion Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
3.4km (2.1 miles) ⓘWyoming Mine, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
21.9km (13.6 miles) ⓘUnknown Silver - Lead Occurrence (MRDS - 10017915), Fulford Mining District, Eagle County, Colorado, USA
27.6km (17.2 miles) ⓘBuckeye Gulch, Alicante, Lake County, Colorado, USA
27.7km (17.2 miles) ⓘJohn Reed Mine, Alicante, Lake County, Colorado, USA
32.3km (20.0 miles) ⓘMoose Mine, Lake County, Colorado, USA
32.3km (20.1 miles) ⓘMonte Cristo Occurrence, Monte Cristo Area, Summit County, Colorado, USA
32.6km (20.2 miles) ⓘNew York Mountain, Alma, Alma Mining District, Park County, Colorado, USA
32.7km (20.3 miles) ⓘNew Discovery Mine, Fryer Hill, Leadville, Lake County, Colorado, USA
33.0km (20.5 miles) ⓘMoose Mine, Mount Bross, Alma Mining District, Park 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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