Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)
orthorhombicuncommonOxides
Chrysoberyl
BeAl2O4
Chrysoberyl typically forms tabular or prismatic crystals, often twinned, with a vitreous luster and colors ranging from yellow to green or brown. The specimen shown is a yellowish-green crystal.
Chrysoberyl Physical Properties
Mohs Hardness
8.5Crystal System
orthorhombicLuster
vitreousStreak Color
whiteCleavage
distinct on {110}, poor on {010} and {100}Fracture
conchoidalSpecific Gravity
3.7Colors
yellow, yellowish-green, green, brown, redTransparency
transparentType Locality
Itaguaçu, Espírito Santo, Southeast Region, BrazilMineral Group
OxidesUses
jewelry, collectorAssociated Minerals
quartz, feldspar, mica, beryl, garnet, tourmalineRarity
uncommonGeological Context
Chrysoberyl forms in pegmatites, granites, and mica schists, and is also found in alluvial deposits due to its high hardness and resistance to weathering.
