Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Ranciéite from
Paddy's River Mine, Paddy's River District, Australian Capital Territory, Australia


Locality type:Mine
Classification
Species:Ranciéite
Formula:(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Ranciéite data
Locality Data:Click here to view Paddy's River Mine, Paddy's River District, Australian Capital Territory, Australia
Data Identifiers
Mindat Occurrence Record ID:1507117
Long-form Identifier:1:3:1507117:2
GUID (UUID V4):0
References
Prof Ken McQueen presentation to New South Wales Mineralogical Society, August 2022
 
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