Tyrolite

  
Tyrolite on a sandstone matrix
Origin: Oued Mahisser, Tunisia
Sample size: 6 x 5 x 5 cm
 
  
 
  
Origin: Tyrol, Austria
Sample size: 3 x 2 x 1 cm, crystals to 1 mm (top), 6 x 5 x 3 cm, crystals to 2 mm (bottom)
 
  
Eaton Collection
  
Green platy crystals to 0.5 mm with azurite
Origin: Centennial Eureka mine, Juab Co., Utah, United States
Sample size: 3.5 x 2.5 x 1 cm (top), 5 x 4 x 3 cm (bottom)
 
  
Flat lying, thin platy blue crystals to 1 mm with conichalcite.
Origin: Gold Hill mine, Tooele Co., Utah, United States
Sample size: 4.5 x 4 x 2 cm
 
  
Origin: Penamellela, Asturias, Spain
Ex. Polak collection
Sample size: 7 x 5 x 4 cm
 
  
Origin: Wilhelmine Mine, Sommerkahl, Spessart Mts, Bavaria, Germany
Ex. Westenberger collection
Sample size: 7 x 6 x 2 cm

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Origin: Molvizar, Granada Prov., Andalusia, Spain
Owner: Lou Perloff
Microscopic image
 
Origin: Lake Serene mine, Index, Snohomish Co., Washington, U.S.A.
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

Origin: Kamsdorf, Saalfeld, Thuringia, Germany
Picture size: 4 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

  
Origin: Tintic District, Utah, U.S.A.
Sample size: 7.0 x 4.0 x 3.8 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Origin: Gwaith Yr Afon mine (West Cwmsymlog. Taliesan), Goginan, Trefeirig, Ceredigion (Dyfed; Cardiganshire), Wales, UK
Sample size: 1cm area on quartz showing aggregated radial platy crystals
Owner: Steve Rust
 

Photo courtesy of: 

Steve Rust

 

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