Calcite

  
Calcite on stibnite
Origin: near Lan Tan, Guangxi Province, China
Sample size: 4.5 x 3.5 x 5.3 cm matrix, calcite crystal 28 mm
 
  
Origin: Shan Hua Pu mine, Hsianghua Ridge, Linwu Co., Hunan Province, China
Sample size: 8 x 4.5 x 4 cm
 
Origin: Tri-State district, U.S.A.
Sample size: 10 cm in height
 
Origin: Joplin, Missouri, U.S.A.
Sample size: 14.5 cm in height
 
Origin: Lehee mine, Joplin, Missouri, U.S.A.
Sample size: 11 cm in width
 
Origin: Magmont mine, Iron Co., Missouri, U.S.A.
Sample size: 21 x 18 x 11 cm
 
  
Calcite with chalcopyrite (right)
Origin: Milliken (Sweetwater) mine, Reynolds Co., Missouri, U.S.A.
Sample size: 14 cm in height overall (left), 18.5 cm tall (right)
 
  
Origin: Nikolaevskiy mine, near Dal'negorsk, Rudnaja River Valley, Primorskiy Kray, Russia
Sample size: 5.5 x 4.5 x 7 cm
 
  
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.
Sample size: 5 x 9 x 2.5 cm
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  • Photo courtesy of: 

    Dan Weinrich

    Dealer in fine mineral specimens

     

      
      
    This pocket specimen is dominated by an undamaged, 7.5 cm, lustrous, translucent, gray calcite crystal and is surrounded by tiny laumontite needles, brown stilbite blades, and botryoidal, green prehnite. The whole specimen rests on anhydrite casts after laumontite (pseudomorph).
    Origin: Prospect Park Quarry, Passaic Co., New Jersey, U.S.A.
    Ex. Rutgers University collection
    Sample size: 11.7 x 7.5 x 6.0 cm
     

    Photo courtesy of: 

    Rob Lavinsky

    The Arkenstone

     

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