Chrysoprase and Hibonite Optical Properties

Chrysoprase

Hibonite

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1 Optical Properties

1.1 Luster

Vitreous, Vitreous, Waxy

Vitreous

1.2 Pleochroism

AbsentWalter Schumann

O = brownish gray; E = gray

1.3 Dispersion

Albite Optical ..

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None

Rank: N/A (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Translucent, Translucent, Opaque, Translucent to nearly opaque

Handbook of mineralogy (2001)

1.5 Refractive Index

1.530-1.543

1.79-1.807

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Hexagonal

1.8 Birefringence

0.004

Not Available

1.9 Clarity

Translucent

Handbook of mineralogy (2001)

Chrysoprase and Hibonite Optic Character

Chrysoprase and Hibonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrysoprase and Hibonite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Chrysoprase and Hibonite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Chrysoprase and Hibonite Transparency

Similar to their colors, Chrysoprase and Hibonite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque while Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque in appearance.