Chamosite

Iron rich chlorite, variety Thüringite, which is the main constituent of the iron ores and iron-rich rocks which were mined here
Origin: Vila Cova, Serra do Marao region, Northern Portugal
Sample size: ca. 5 x 6 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

Origin: Mt. Lyell, Tasmania, Australia
Sample size: unknown
Sample owner: Steve Sorrell
 

Photo courtesy of: 

Steve Sorrell

Crocoite.com

 

  
Chamosite with minor quartz
Origin: Sleese Creek, British Columbia, Canada
Sample size: 9.6 x 11.1 x 4.6 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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