Coalingite

Origin: San Benito Co., California, United States
Erling Collection
Sample size: 4 x 3 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Matrix with one side mostly covered by bronze colored scaly crystalline coalingite with minor white magnesite.
Origin: Hunting Hill Quarry, Rockville, Maryland, U.S.A.
Sample size: 5 x 3.8 x 2.7 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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