Cassiterite

  
Origin: Cornwall, Great Britain
Ex - Dr. Mark Feinglos Collection
Ex - Museum of Natural History (Paris)
Ex - Alfred des Cloizeax Collection
Sample size: 3.3 x 2.4 x 1.2 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
  
Origin: Ping Wu , Sichuan Province, China
Sample size: 8.5 x 8 x 4 cm
WEIGHT: 1067 grams!
 
  
  
Cassiterite on siderite
Origin: Viloco, Loyaza Province, La Paz Department, Bolivia
Sample size: 6.8 x 4.3 x 2.5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Cassiterite on quartz
Origin: Ximong, Yunnan province, China
Sample size: 8.5 x 10 x 4 cm
 
  
Origin: Zinnwald, Bohemia, Czech Republic
Ex. Willard Perkin collection
Sample size: 18 x 8 x 26 mm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Unusual slender prismatic, sometimes refered to as "needle tin" crystals abound the matrix in vugs
Origin: St. Agnes, Cornwall, England
Eaton Collection
Sample size: 8 x 3 x 5 cm
 
  
Cassiterite on quartz
Origin: Ximeng, Yunnan Province, China
Sample size: 2 x 2 x 1.8 cm
 
  
Cassiterite specimen with deep brown, highly reflective or lustrous with twinned crystals to 1.5 cm
Origin: Barroca Grande, Coto mine, Panasqueira, Portugal
Sample size: 3.5 x 3.5 x 2 cm
 
Origin: Araca, Bolivia
Erling Collection
Sample size: thumbnail, cyclic twinned single crystal
 
Cassiterite in albite matrix
Origin: Zimbabwe Reserve, Zimbabwe
Erling Collection
Sample size: 6 x 3 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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