Anorthite

  
Origin: Miakajima Island, Japan
Sample size: 23 x 18 x 20 mm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

From volcano eruption in 1870. These crystals are opaque white coated with a film of reddish or blackish glassy lava
Origin: Miyake Island (Miyake-jima), Izu Archipelago, Tokyo Prefecture, Japan
Sample size: 1.6 x 1.2 x 1 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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