Tobermorite

  
Torbermorite with pyrite and sphalerite
Origin: Mazapil, Noche Buena, Zacatecas, Mexico
Ex. Marvin Pearce coll.
Sample size: 6.5 x 6 x 5 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Origin: Castle Hill, Kilbirnie, Ayrshire, Scotland, U.K.
Sample size: 2.5 x 8 cm
 
Small fibrous platelets in calcite with occasional veins of hydromagnesite
Origin: Crestmore Quarry, Riverside Co., California, U.S.A.
Sample size: 3 x 5 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
White compact crystal groups to 2 mm with grey monticellite.
Origin: Crestmore, Riverside Co., California, United States
Sample size: 6.5 x 8 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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