Cannonite

  
Very micro, about 0.1mm glassy prismatic crystals in tiny vug associated with black, metallic cuprobismutite.
  
Colorless somewhat prismatic micro crystals to about 0.1mm in vugs.
Origin: Tunnel Extension mine, Piute Co., Utah, United States (type locality)
Sample size: 1 x 1.5 x 1 cm (top), 1.5 x 1.5 x 1.5 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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