Smoky quartz

Origin: São Geraldo do Baixio, Governador Valadares, Minas Gerais, Southeast Region, Brazil

Sample size: 6.5 x 4.3 x 1.6 cm

 

  

Smoky quartz gwindel

Origin:  St Gotthard Massif, Ticino (Tessin), Switzerland

Ex. Brian Scholten collection

Sample size: 4.8 x 1.6 x 4.5 cm

 

  

The specimen consists of a "matrix" of tabular colourless quartz studded with two doubly terminated glassy transparent smoky amethystine quartz crystals.

Origin: Pohndorf Mine, Jefferson Co., Montana, USA

Sample size: 3.5 x 1.3 x 5.2 cm

 

  

  

Smoky quartz with microcline (very pale greenish variety amazonite)

Origin: Crystal Peak area, Park/Teller Cos., Colorado, U.S.A.

Sample size: 5.8 x 3.9 x 4.3 cm

 

Dan Weinrich

Dealer in fine mineral specimens

 

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