Calcite

  
  
Calcite twin
Origin: Jalgaon, Maharashtra, India
Sample size: 7 x 7 x 6 cm
 
  
Origin: Sweetwater Mine, Reynolds County, Missouri, U.S.A.
Sample size: 11.5 x 7 x 6 cm
 
  
Origin: Annabel Lee Mine, Hardin County, Illinois, U.S.A.
Sample size: 11.5 x 6.5 x 6 cm
 
Two calcite crystals, barrel-shaped with oddly flat c-terminations
Origin: Rio Grande Do Sul, Brazil
Sample size: 12.5 x 9.3 x 6.3 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Tonglushan, Daye, Huangshi area, Hubei, Central South Region, China
Sample size: 9.8 x 8.6 x 7.6 cm
 
  
Calcite with fluorite
Origin: Shangbao Mine, Leiyang, Hengyang area, Hunan, Central South Region, China
Sample size: 5.2 x 4.7 x 5.2 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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