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
This image displays a well-formed, yellowish-green chrysoberyl crystal with sharp faces and a bright vitreous luster. The crystal appears transparent to translucent, showcasing its internal clarity.
Chrysoberyl Physical Properties
Mohs Hardness
8.5Crystal System
orthorhombicLuster
vitreousStreak Color
whiteCleavage
distinct on {110}, poor on {010} and {100}Fracture
conchoidal to unevenSpecific Gravity
3.7Colors
yellowish-green, yellow, green, brown, red, colorlessTransparency
transparentType Locality
Rakwana, Ratnapura District, Sabaragamuwa Province, Sri LankaMineral Group
OxidesUses
jewelry, collectorAssociated Minerals
quartz, feldspar, mica, garnet, tourmaline, berylRarity
uncommonGeological Context
Chrysoberyl typically forms in granitic pegmatites, mica schists, and gneisses, often as a result of beryllium-rich fluids interacting with aluminum-rich rocks. It is also found in alluvial deposits due to its high hardness and resistance to weathering.
