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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Spessartine from
Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA


Locality type:Park
Classification
Species:Spessartine
Formula:Mn32+Al2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Spessartine data
Locality Data:Click here to view Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:35080
Long-form Identifier:1:3:35080:8
GUID (UUID V4):0
Nearest other occurrences of Spessartine
3.4km (2.1 miles) ⓘMica Lode Mine (Mica Hill Mine), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
21.0km (13.0 miles) ⓘChief lithium pegmatite, Texas Creek Area, Fremont County, Colorado, USA
61.0km (37.9 miles) ⓘBob Cat Mine, Crestone Mining District (Baca Grant Mining District), Saguache County, Colorado, USA
62.9km (39.1 miles) ⓘWilkerson Pass Area, Park County, Colorado, USA
69.6km (43.2 miles) ⓘRuby Mountain, Nathrop, Chaffee 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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