Item talk:Q162314
From geokb
Mindat Short Description
The green (chromium-bearing) gem variety that shows a colour change under different light sources is called alexandrite.
The Cr-analogue is called mariinskite.
Geoscience Ontology Status Notes
Originally named Krisoberil: Hoffmann C A S (1789) Mineralsystem des Herrn Inspektor Werners mit dessen erlaubnis herausgegeben von C A S Hoffmann. 2) Krisoberil, Bergmannisches Journal 1, 369-398
IMA Formula (from Mindat)
BeAl2O4
RRUFF Formula (from Geoscience Ontology)
BeAl2O4
