Cassiterite

  

Origin: Queensland, Australia ?

Ex Tom Dwyer collection

Sample size: 15 x 10 x 16 mm

 

  

 

  

Origin: Xue Bao Diang Mountain, north of Pingwu, Sichuan Province, China

Sample size: 4 x 2 x 1.5 cm (top), 3.5 x 3 x 4.2 cm (2nd/bottom row)

 

  

Lustrous near transparent brownish black cassiterite crystal measuring 18 mm in size set nicely on quartz

  

 

  

Cassiterite with quartz

Origin: Ximong, Yunnan province, China

Sample size: 6.5 x 3.5 x 3.5 cm (top/2nd row), 7 x 6 x 4 cm (3rd row), 6 x 3.5 x 5 cm (bottom)

 

Dan Weinrich

Dealer in fine mineral specimens

 

     

  

Cassiterite on phlogopite, below the cassiterite there is a 1 cm gray beryl crystal

Origin: Ping Wo mine, Sechuan prov., China

Ex. Giorgio Spiga collection

Sample size: 4.5 x 4 x 3 cm

 

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