Calcite

  
Origin: Red Dome mine, Chillagoe, Queensland, Australia
ex Scott Werschky collection
Sample size: 25 x 18 x 28 mm
 
  
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.
Sample size: 12 x 10 x 2.5 cm
 
  
Calcite pseudomorph after ikaite
Origin: Kola Peninsula, Russia
Sample size: 4.5 x 4 x 3 cm
 
  
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.
Sample size: 24 x 13 x 16 cm
 
     
Calcite on fluorite and barite
Origin: Minerva mine #1, Cave in Rock district, Hardin Co., Illinois, U.S.A.
Sample size: 8.5 x 6.5 x 6 cm
 
  
Calcite with fluorite
Origin: Huanzala mine, Huallanca district, Dos de Mayo Province, Huanuco Department, Peru
Sample size: 11 x 7 x 7.5 cm
 
  
 
  
Calcite on galena
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.
Sample size: 8 x 12.5 x 5.5 cm (top), 5 x 5 x 4.5 cm (bottom)
 
  
Calcite with small white dolomite crystals
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.
Sample size: 7 x 5 x 5.2 cm
 
  
 
  
Calcite with minor chalcopyrite
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.
Sample size: 9 x 5.5 x 10.5 cm (top), 8 x 4.5 x 5 cm (bottom)
 
  
Calcite flower-like groupings on quartz with arsenopyrite
Origin: Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania
Sample size: 7.6 x 8.2 x 3.8 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

Origin: Tsumeb, Namibia
Ex. Ed Ruggiero collection
Sample size: 6 x 4 x 3.5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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