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


00565430017362656621328.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
04538900017272011885337.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
01152270017272011916884.jpg
Ankerite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
00778040017272011945869.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
00565430017362656621328.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
04538900017272011885337.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
01152270017272011916884.jpg
Ankerite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
02994780017569054603452.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
00565430017362656621328.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
07538840017272011939817.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
01152270017272011916884.jpg
Ankerite

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
00778040017272011945869.jpg
Ankerite, etc.

Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sphalerite18
- var Marmatite6
Chalcopyrite14
Pyrite13
Quartz12
Tetrahedrite Subgroup10
Galenobismutite10
Matildite8
Arsenopyrite4
Galena2
Beegerite2
Dolomite1
Data
Mineral Data:Click here to view Ankerite 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 (13 photos)
Data Identifiers
Mindat Occurrence Record ID:765
Long-form Identifier:1:3:765:0
GUID (UUID V4):0
Nearest other occurrences of Ankerite
31.7km (19.7 miles) ⓘNew York Mine (New Yolk Claims; New York Tunnel), Breckenridge Mining District, Summit County, Colorado, USA
32.9km (20.5 miles) ⓘWellington Mine (Siam Tunnel; Old Oro Tunnel; Mill Tunnel; Liberty Tunnel; Extenuate Tunnel; Wellington Tunnel; Abundance Tunnel; New Tunnel; Oro Shaft), Breckenridge Mining District, Summit County, Colorado, USA
33.2km (20.7 miles) ⓘMaid Of Erin Mine, Carbonate Hill, Leadville, Lake County, Colorado, USA
33.6km (20.9 miles) ⓘGallagher Old Mikado, Lake County, Colorado, USA
34.1km (21.2 miles) ⓘSweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
34.2km (21.2 miles) ⓘDetroit City Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
35.2km (21.9 miles) ⓘMountain Pride; Laurium (Larium; Blue Flag), Breckenridge Mining District, Summit County, Colorado, USA
38.0km (23.6 miles) ⓘWire Patch Mine, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA
44.1km (27.4 miles) ⓘGlacier Mountain, Montezuma Mining District (Snake River Mining District), Summit County, Colorado, USA
44.3km (27.5 miles) ⓘWhite Swan Occurrence, Swandyke Area, Summit 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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