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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Meionite from
Pitwak Mine, Sar-e-Sang River, Sar-e-Sang, Kuran wa Munjan District, Badakhshan, Afghanistan


Locality type:Mine
Classification
Species:Meionite
Formula:Ca4Al6Si6O24CO3
Comments:Meionites and Meionites pseudomorphing to Lazurite. Probed by Bart Cannon, but incorrectly interpreted by Rob Woodside

These Marialites have altered, some completely, some partially to Orthoclase. Surviving Marialite has a bright yellow long wave fluorescence.
Colour:White
Luminescent properties:Strong yellow
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Meionite data
Locality Data:Click here to view Pitwak Mine, Sar-e-Sang River, Sar-e-Sang, Kuran wa Munjan District, Badakhshan, Afghanistan
Data Identifiers
Mindat Occurrence Record ID:677403
Long-form Identifier:1:3:677403:5
GUID (UUID V4):0
References
Thames Valley Minerals Specimen, RWMW collection
 
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