Chrysoberyl Facts

Chrysoberyl Facts

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Chrysoberyl  Properties

Chemical CompositionIt is Beryllium aluminum oxide,  The chemical formula is BeAl2O4 .
ColoursDifferent shades of green and yellow like bluish green, brownish green, greenish yellow, yellowish brown etc.
Hardness8.5 Mohs.
Refractive Index1.746 – 1.755
Specific Gravity3.68 – 3.78
LusterVitreous.
Solid StateTransparent to translucent.
Crystal SystemOrthorhombic crystal system.
CleavagePoor cleavage.
Heat SensitiveNo. pleochroism
FracturesConchoidal to uneven.
Bi-refringence0.008 – 0.009
PleochroismWeak.
SourceRussia, Brazil, United States, Myanmar (Burma), Tanzania, Zimbabwe, India, Madagascar, Italy and Sri Lanka.
EnhancementNot enhanced.
PrecautionsNo specific precautions required.