Koragoite

Formula:  Mn3(Mn,Nb)2Nb3W2O20

Origin of name:  For A. A. Korago, Russian geologist

 

Crystal system:  Monoclinic

Crystal class:  2

Twinning: 

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Colour: 

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Synonyms/varieties:

 

Comments:  Incomplete description; prior approval as "karagoite"

 

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