Choloalite

  
Light yellowish green micro carlfriesite crystals in a vug 1 mm across with more abundant (on the specimen) light green choloalite and black grains of hessite.
Origin: Mina la Oriental (Bambollita), Moctezuma, Sonora, Mexico (type locality)
Ex. Kidwell collection
Sample size: 4.5 x 3.5 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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