Natroalunite

White powdery with chalcanthite
Origin: Planet Mine, La Paz Co., Arizona, U.S.A.
Sample size: 5 x 6 cm
 
Origin: Sugarloaf Butte, Quartzite, Yuma Co., Arizona, U.S.A.
Sample size: 2 x 3 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

Origin: Marysvale district, Piute Co., Utah, United States
Ex. University of New Mexico collection
Sample size: 6 x 3 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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