Rosasite

  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
Spheres of rosasite on smithsonite
  
 
  
 
  
Spheres of rosasite on smithsonite
Origin: Silver Bill, Gleeson, Arizona, United States
Sample size: 3.5 x 2.5 x 1 cm (top), 4 x 3.5 x 3 cm (2nd row), 4 x 3.5 x 2 cm (3rd row), 4 x 2.5 x 2 cm (4th row), 3.5 x 2.5 x 1 cm (5th row), 3.5 x 2 x 1.5 cm (6th row), 3 x 2 x 2.5 cm (7th row), 4 x 3 x 4 cm (8th row), 5 x 3 x 2 cm (9th row), 7.5 x 4.5 x 6cm (10th row), 9.5 x 7 x 4.5 cm (11th row), 10 x 6 x 6 cm (bottom)
 
  
Origin: 79 mine, Gila Co., Arizona, United States
Sample size: 8 x 5 x 3 cm
 
  
Teal green, fine crystalline crust with clear hemimorphite crystals to 1 mm.
  
Blue compact acicuar sprays to 3 mm across. Ex. DeVito collection
Origin: Mina Ojuela, Mapimi, Durango, Mexico
Sample size: 7 x 4 x 1 cm (top), 6.5 x 6 x 3 cm (bottom)
 
  
Green spheroidal or botryoidal crystals to about 0.5 mm with light bluish green, fibrous aurichalcite, bladed clear hemimorphite and grey chlorargyrite.
Origin: Silver Coin mine, Humboldt Co., Nevada, United States
Ex. Eaton collection
Sample size: 3 x 2.5 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Crusts consisting of bluegreen sperical aggregates ± hemimorphite
Origin: Grube Dörnberg, Ramsbeck, Sauerland, Germany
Sample size: 4 x 6 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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