Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Iron-bearing Dolomite from
Sherwood Mine, Alma, Alma Mining District, Park County, Colorado, USA


Locality type:Mine
Classification
Species:Dolomite var: Iron-bearing Dolomite
Formula:Ca(Mg,Fe)(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Iron-bearing Dolomite data
Locality Data:Click here to view Sherwood Mine, Alma, Alma Mining District, Park County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:122899
Long-form Identifier:1:3:122899:1
GUID (UUID V4):0
Nearest other occurrences of Iron-bearing Dolomite
1.1km (0.7 miles) ⓘSacramento Mine, Sacramento, Alma Mining District, Park County, Colorado, USA
73.8km (45.9 miles) ⓘRainbow - Eagle Bird Mine, Monarch Mining District, Chaffee County, Colorado, USA
79.2km (49.2 miles) ⓘMadonna Mine, Monarch Mining District, Chaffee County, Colorado, USA
94.7km (58.9 miles) ⓘLadwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1), Ralston Buttes Mining District, Jefferson County, Colorado, USA
References
Singewald, Quentin Dreyer
Metal Mining Mining Geology, A.I.M.E. (1937): 432, 440.
Butler, Bert Sylvenus (1941) Ore deposits in the vicinity of the London fault of Colorado. USGS Bulletin: 911
 
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