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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Dolomite from
El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia


05160340017363509296979.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
06537210017272036367462.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
07906410017272036395479.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
02185590017363509307197.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
05160340017363509296979.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
00806360017363509316842.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
07906410017272036395479.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
05247700017360816064978.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
07755420017363509311251.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
06537210017272036367462.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
01591400017271983075395.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
02463650017271983121890.jpg
Dolomite, etc.

El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Goethite8
Watkinsonite3
Lepidocrocite2
Quartz2
Kruťaite2
Clausthalite2
Chalcopyrite1
Penroseite1
Eldragónite1
Klockmannite1
Favreauite1
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:41505
Long-form Identifier:1:3:41505:3
GUID (UUID V4):0
References
Schnorrer-Köhler, Günther, Grundmann, Günter, Lehrberger, Gerhard (1990) The El Dragón Mine, Potosí, Bolivia. The Mineralogical Record, 21 (2) 133-146pp.133-133
Grundmann, Günter, Förster, Hans-Jürgen (2017) Origin of the El Dragón Selenium Mineralization, Quijarro Province, Potosí, Bolivia. Minerals, 7 (5) 68 doi:10.3390/min7050068
 
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