Cassiterite

1.5 mm twinned crystals with a thin coating of scorodite. This microspecimen was collected some years ago from a partly cleared section of dump for house building. The dump might have been associated with Skip shaft of Great Wheal Fortune
Origin: Great Wheal Fortune, Breage, Cornwall, England, UK
Owner: Steve Rust
 
0.6 mm crystal
Origin: Cligga mine, Perranzabuloe, Cornwall, England, UK
Owner: Steve Rust
 
  
1 mm composite crystal on quartz with clinochlore (left), 1 mm crystal on clinochlore (right)
Origin: Croft Gothal mine, St Hilary, Cornwall, England, UK
Owner: Steve Rust
 

Photo courtesy of: 

Steve Rust

 

  
Origin: Ping Wu Mine, Sichuan Province, China
Sample size: 3.5 x 2.5 x 1.8 cm
 
  
  
Origin: Mt. Xuebaoding, Sichuan Province, China
Sample size: 6.5 x 6.5 x 4 (xls to 2.2 cm)

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Cassiterite on muscovite
Origin: Xue Bao Diang Mountains, north of Pingwu, Sichuan Province, China
Sample size: 27 x 15 x 7.5 cm, the crystal on the right measures 7.5 x 6.5 cm in size; the one on the left measures 6 x 7.5 cm
 
  
Origin: Xue Bao Diang Mine (Xue Bao Ding Mine), Pingwu, Chengdu area, Sichuan, Southwest Region, China
Sample size: 3.5 x 2.7 x 4.2 cm
 
  
Origin: Viloco (Araca) mine, Loayza Province, La Paz Department, Bolivia
Sample size: 8.8 x 5.2 x 4.2 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

Origin: Shepherd and Murphy Mine, Moina, Tasmania, Australia
Sample size: unknown
Sample owner: Steve Sorrell
 

Photo courtesy of: 

Steve Sorrell

Crocoite.com

 

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