Pseudobrookite

Pseudobrookite and apatite
Origin: Jumilla, Murcia Prov., Murcia, Spain
Owner: Lou Perloff
Microscopic image
 
Origin: Ettringen, Laacher See, Rhineland-Palatinate, Germany
Owner: Lou Perloff
Microscopic image
 
Origin: Sierra Co., New Mexico, U.S.A.
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

Origin: Topaz Mountain, Thomas Range, Juab Co., Utah, U.S.A.
Owner: Milton Speckels
Microscopic image, 5.6 x
 

Photo courtesy of: 

Milton Speckels

Photo-Atlas of Minerals

 

  
 
  
 
  
Black, long prismatic crystals approximately 5 mm long associated with light brown 4 mm topaz crystals in rhyolite matrix.
Origin: Thomas Mountains, Utah, United States
Sample size: 4 x 2.5 x 2 cm (top), 4.3 x 3 x 2 cm (2nd row), 12 x 6 x 6 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Origin: Emmelberg, Üdersdorf, Daun, Eifel Mts, Rhineland-Palatinate, Germany
Picture size: 3 mm
Owner: Thomas Witzke
 
Origin: Somma-Vesuvius Complex, Naples Province, Campania, Italy
Picture size: 1.2 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

  
Origin: The Cove (Topaz Valley), Topaz Mountain, Delta, Juab Co., Utah, USA
Sample size: 6 mm crystal group with quartz. Collected from the north wall (left), 8 mm crystal group, collected from the north wall (right)
Owner: Steve Rust
 

Photo courtesy of: 

Steve Rust

 

Origin: Ngangataha, New Zealand
Sample size: unknown
Sample owner: Steve Sorrell
 

Photo courtesy of: 

Steve Sorrell

Crocoite.com

 

  
 
  
Pseudobrookite with quartz. Ex. Don Belsher collection
  
 
  
Ex. Don Belsher collection
Origin: Thomas Range, Juab Co., Utah, U.S.A.
Sample size: 7.8 x 4.3 x 3.4 cm (top), 4.7 x 2.8 x 2.7 cm (2nd row), 7.6 x 6.6 x 4.1 cm (3rd row), 4.8 x 3.9 x 2 cm (bottom)
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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