Other quartz types

     
Quartz with hematite
     
Quartz with hematite coating and pyrite crystals to 2 mm
Origin: Frizington, Cumberland, England
Sample size: top 5 x 3 x 1.5 cm, crystals to 5 mm, bottom 5 x 3 x 1.5 cm, crystals to 5 mm
 
  
Chlorite on quartz with calcite
Origin: New Street quarry, Paterson, New Jersey, United States
Sample size: 5 x 4 x 3 cm
 
  
Pinkish brown pseudocubic crystal (pseudomorph?)
  
Pseudocubic, doubly terminated crystal . Commonly called "pecos diamonds".
  
Origin: Riverside, Eddy Co., New Mexico, United States
Sample size: 1.5 x 1.5 x 1 cm (top), 2.5 x 2.5 x 2 cm (2nd row), 2 x 2 x 1 cm (bottom)
 
  
Wulfenite coated with drusy quartz
Origin: Finch mine, Gila Co., Arizona, United States
Sample size: 7 x 4 x 3.5 cm
 
  
Quartz with rhodochrosite
Origin: Phillipsburg, Montana, United States
Sample size: 6 x 4 x 3 cm
 
  
Quartz with fluorite and hematite
Origin: Florence Mine, Egremont, Cumbria, England
Sample size: 6 x 3 x 4 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

 
  
Origin: Nikolaevskiy mine, Dal'negorsk, Primorskiy Kray, Russia
Sample size:  24 x 7 x 13 cm matrix
 
  
Quartz coated with chlorite
Origin: Val Crois, Salma, Switzerland
Sample size: 7 x 4.5 x 4.5 cm
 
Quartz with copper
Origin:  Tsumeb, Namibia
Sample size: 4 x 4 x 2 cm
Owner: John Schneider
Photo: John and Mark Schneider
 
  
Quartz with jamesonite
Origin: Herja mine, 6 km NE of Baia Mare, Maramures, Romania
Sample size: 8 x 5 x 4 cm
 
  
Quartz on hematite
Origin: Beckermet mine, Egremont, Cumbria, England
Ex Tom Dwyer Collection
Sample size: 7.5 x 2.5 x 8.5 cm
 
  
Single quartz crystal, pyramidal dominant, and jet black and opaque
Origin: Vitoria da Conquista, Bahia, Brazil
Sample size: 6.5 x 6.5 x 6.5 cm
 
  
A very interesting pseudomorph specimen with tabular terminated crystals of feldspar to almost 1 cm in length, these completely altered to a sugary colourless crystalline quartz. The crystals are set nicely in an open vug of brown limonite.
Origin: Gravel Hill mine, Perranporth, Cornwall, England
Sample size: feldspar crystals to almost 1 cm in length
 
 
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Quartz pseudomorph after barite
Origin: Silver Point Mine, Ouray, Colorado, USA
Sample size: 5 x 8 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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