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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Dickite from
Eureka Mine (Eureka Alta), Boulder County Tungsten Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Species:Dickite
Formula:Al2(Si2O5)(OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dickite data
Locality Data:Click here to view Eureka Mine (Eureka Alta), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:435363
Long-form Identifier:1:3:435363:8
GUID (UUID V4):0
Nearest other occurrences of Dickite
6.4km (3.9 miles) ⓘCold Spring Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
97.5km (60.6 miles) ⓘDetroit City Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
97.6km (60.6 miles) ⓘSweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
98.6km (61.3 miles) ⓘEagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle 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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