Chrysoberyl and Alexandrite from Pegmatite Districts

CHRY SOBERYL AND ALEXANDRITE FROM THE PEGMATITE DISTRICTS OF MINAS GERAIS, BRAZIL. By Keith Proctor. This fourth article in the author's series on the pegmatite districts of Minas Gerriis, Bmzil, focuses on chrysoberyl, particr~larly the rare but coveted varieties cat's-eye and alexandrile. ................
................