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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Rhodochrosite from
Oregon Tunnel Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA


Locality type:Mine
Classification
Species:Rhodochrosite
Formula:MnCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rhodochrosite data
Locality Data:Click here to view Oregon Tunnel Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:356148
Long-form Identifier:1:3:356148:5
GUID (UUID V4):0
Nearest other occurrences of Rhodochrosite
1.3km (0.8 miles) ⓘEagle Mine (Eagle-Hawk Mine Eagle and Hawk Claims), Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
1.5km (0.9 miles) ⓘChloride Mine (Chloride 1-4 claims), Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
1.7km (1.0 miles) ⓘEmpress Josephine Mine (Empress Josephine claim; Boss Mammoth claim), Bonanza, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
2.8km (1.7 miles) ⓘExpress Mine (Express - Headlight Mine), Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
4.6km (2.9 miles) ⓘErie Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
4.7km (2.9 miles) ⓘSuperior Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
4.8km (3.0 miles) ⓘExchequer Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
4.9km (3.0 miles) ⓘRawley Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
5.0km (3.1 miles) ⓘBonanza Mine (Cornucopia Claims; Bonanza No. 1), Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
5.2km (3.2 miles) ⓘCocomongo Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
and/or  
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