Chrysoprase and Unakite Optical Properties

Chrysoprase

Unakite

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1 Optical Properties

1.1 Luster

Vitreous, Vitreous, Waxy

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

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

Gemstones of the world (2001)

1.5 Refractive Index

1.530-1.543

1.525

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

monoclinic

1.8 Birefringence

0.004

Not Available

1.9 Clarity

Translucent

Gemstones of the world (2001)

Chrysoprase and Unakite Optic Character

Chrysoprase and Unakite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrysoprase and Unakite 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 Unakite 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 Unakite Transparency

Similar to their colors, Chrysoprase and Unakite 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.