Coquandite

Silky coquandite with stibnite
Origin: Pereta Mine, Grosseto Province, Tuscany, Italy
Picture size: 5 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

White to very pale yellow aggregates of acicular crystals on stibnite
Origin: Pereta Mine, Scansano, Grosseto, Italy
Sample size: thumbnail
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Excellent coverage of snow white, fibrous crystals to 2 mm between stibnite crystals and associated with pale yellow crystals of sulfur to 1mm
Origin: Lucky Knock mine, Tonasket, Washington, United States
Fred DeVito Collection
Sample size: 6 x 3 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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