Dichroic Pigment-Layers in Blue John Fluorite

• 1 January 1973
• journal article
• Published by Mineralogical Society in Mineralogical Magazine
• Vol. 39  (303) , 363-366
• https://doi.org/10.1180/minmag.1973.039.303.14

Abstract

Keywords

• JOHN FLUORITE
• BLUE JOHN
• DICHROIC PIGMENT LAYERS