Dark Blue Beryl from Pakistan
Laurs BM1, Rossman GR2
1Gem-A
Encinitas, CA 92024 USA
2Division of Geological and Planetary
Sciences
California
Institute of
Technology
Pasadena, CA 91125-2500, USA
ABSTRACT
An
unusually dark blue beryl from Khyber Pakhtunkhwa in northern Pakistan
was characterized by chemical analysis and with Vis-NIR spectroscopy.