Melanophlogite

Penetration twin
 
Origin: Recalmuto, Sicily, Italy
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

Clear to white globules (up to 2mm) on matrix, some with volkonskoite in vugs
Origin: Fortuline, Livorno, Italy
Sample size: thumbnail
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
  
 
  
Tiny cubic crystals grouped so that to form spheroids up to 1-2 mm in diameters. Together with melanophlogite there is also the relatively common volkonskoite, green in colour, filling some veins of this rock
Origin: Fortullino, Livorno, Italy
Ex. Alessandro Genazzani collection
Sample size: 5 x 3 x 2.5 cm (top/2nd row), 5 x 3 x 2.5 cm (3rd/bottom row)
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
 
  
 
  
Origin: near Mt. Hamilton, Santa Clara Co., California, U.S.A.
Ex. Don Belsher collection
Sample size: 5 x 2.6 x 2.5 cm (top), 3 x 5 x 1.7 cm (2nd row), 5 x 3.2 x 1.8 cm (bottom)
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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