Roscherite

 
Roscherite and englishite (white)
 
Roscherite and englishite (white)
Origin: Tip Top mine, Custer, Custer Co., South Dakota, U.S.A.
Owner: Lou Perloff
Microscopic image
 
  
Origin: Taquaral, Minas Gerais, Brazil
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

  
 
  
 
  
Roscherirte on rose quartz
Origin: Lavra da Ilha pegmatite, Jequitinhonha River, Taquaral, Itinga, Araçuaí, Minas Gerais, Brazil
Sample size: 4 x 2.5 x 2 cm (top), 6 x 5 x 3 cm (2nd row), 3 x 2 cm x 6 mm
 
  
Globular olive green masses. Ushkovite is present as orange, tabular crystals about 1 mm long.
Origin: Galileia, Minas Gerais, Brazil
Sample size: 3.5 x 2.5 x 1 cm
 
  
  
Black rosettes of roscherite to 1.5 mm associated with white bladed montgomeryite and clear rhombs of whitlockite. Beryl matrix.
Origin: Tip Top mine, Custer Co., South Dakota, United States
Ex. Grenier collection
Sample size: 6 x 5 x 5 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Page 2

Back to Alphabetical list Physical, chemical and crystallographic description Optical properties/Thin sections SEM images TEM images vibrational spectra description IR spectra Raman spectra N-IR spectra F-IR spectra IES spectra