Chrysoberyl Facts

Chrysoberyl Facts

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Chrysoberyl  Properties

Chemical Composition It is Beryllium aluminum oxide,  The chemical formula is BeAl2O4 .
Colours Different shades of green and yellow like bluish green, brownish green, greenish yellow, yellowish brown etc.
Hardness 8.5 Mohs.
Refractive Index 1.746 – 1.755
Specific Gravity 3.68 – 3.78
Luster Vitreous.
Solid State Transparent to translucent.
Crystal System Orthorhombic crystal system.
Cleavage Poor cleavage.
Heat Sensitive No. pleochroism
Fractures Conchoidal to uneven.
Bi-refringence 0.008 – 0.009
Pleochroism Weak.
Source Russia, Brazil, United States, Myanmar (Burma), Tanzania, Zimbabwe, India, Madagascar, Italy and Sri Lanka.
Enhancement Not enhanced.
Precautions No specific precautions required.
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