Osumilite

  
 
  
Dark blue, short prismatic crystals 2 mm in diameter. Ex. DeVito collection
Origin: Funtnafigu, Monti Arci, Oristano, Sardinia, Italy
Sample size: 1.5 cm thumbnail (top), 3 x 3 x 0.5 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Origin: Sakkabira, Osumi dist., Kagoshima Pref., Japan
Owner: Lou Perloff
Microscopic image
 
Origin: Obsidian Cliffs, White Branch Cr., Lane Co., Oregon, U.S.A.
Owner: Lou Perloff
Microscopic image
 
 
Origin: Cava Fontana, Monte Arci, Cagliari, Sardinia, Italy
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

  
Volcanic matrix hosting sparse black micro crystals of osumilite
Origin: Funtanifigu quarry, Monte Arci, near Oristano, Sardinia, Italy
Sample size: 5.5 x 4.5 x 3 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

Origin: Hayabusa Cho., Kagoshima Kyuska, Japan
Sample size: micromount
 
Origin: Bellerberg, Eifel, Germany
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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