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
Gallagher Old Mikado, Lake County, Colorado, USA


Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ankerite data
Locality Data:Click here to view Gallagher Old Mikado, Lake County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:429754
Long-form Identifier:1:3:429754:3
GUID (UUID V4):0
Nearest other occurrences of Ankerite
0.9km (0.6 miles) ⓘMaid Of Erin Mine, Carbonate Hill, Leadville, Lake County, Colorado, USA
14.5km (9.0 miles) ⓘSweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
14.6km (9.1 miles) ⓘDetroit City Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
32.7km (20.3 miles) ⓘMountain Pride; Laurium (Larium; Blue Flag), Breckenridge Mining District, Summit County, Colorado, USA
33.5km (20.8 miles) ⓘNew York Mine (New Yolk Claims; New York Tunnel), Breckenridge Mining District, Summit County, Colorado, USA
33.6km (20.9 miles) ⓘEagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
33.8km (21.0 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
37.4km (23.2 miles) ⓘWire Patch Mine, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA
43.9km (27.3 miles) ⓘWhite Swan Occurrence, Swandyke Area, Summit County, Colorado, USA
47.8km (29.7 miles) ⓘGlacier Mountain, Montezuma Mining District (Snake River Mining District), 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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