Stewartite

Stewartite on rockbridgeite
Stewartite on rockbridgeite
Origin: Hagendorf, Bavaria, Germany
Owner: Lou Perloff
Microscopic image
 
Origin: Emmons mine, Auburn, Lee Co., Mississippi, U.S.A.
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

     
Origin: Hagendorf Sud, Oberpfalz, Bayern, Germany
Sample size: 7 x 5 x 3 cm vuggy altered phosphate matrix filled with hundreds of micro crystals:
Stewartite, 1 mm,  with beraunite (right) and strunzite, 8 mm (middle)
 
  
Bright yellow, translucent platy micro crystals to about 0.2 mm in clusters on purple, earthy phosphosiderite all in a large cavity within primary phosphates, probably scorzalite(?)
Origin: Stewart mine, San Diego Co., California, United States (type locality)
Ex. DeVito collection
Sample size: 7.5 x 8 x 7 cm
 
  
Orange somewhat prismatic crystals of stewartite with closely associated lath like crystals of yellow laueite.
  
Bright, deep yellow, thin, platy crystals terminated to a point in clusters (blue arrow) associated with white matulaite, very minute, fibrous, light yellow cacoxenite (red arrow) and red beraunite (green arrow).
Origin: Foote mine, Cleveland Co., North Carolina, United States
Sample size: 8 x 5 x 3 cm (top/2nd row), 6 x 5 x 3 cm (bottom)
 
  
Stewartite with lauetite (darker yellow or orange and more tabular habit) and strunzite
Origin: Hagendorf Sud pegmatite, Bavaria, Germany
Ex. Westenberger collection
Sample size: 6.5 x 6 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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