Tapiolite

  
Black 5 mm crystals in matrix. Not known if this is ferro- or mangantapiolite
Origin: Spittal, Carintia, Austria
Ex. Kidwell collection
Sample size: 5 x 3 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Origin: Ynnietharra, Western Australia, Australia
Sample size: unknown
Sample owner: Steve Sorrell
 

Photo courtesy of: 

Steve Sorrell

Crocoite.com

 

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