Diamond and Andesine Optical Properties

Diamond

Andesine

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Optical Properties

Luster

Adamantine

Vitreous

Pleochroism

None

colorless.

Dispersion

0.040.70

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Transparent, Translucent, Transparent to translucent

Refractive Index

2.417-2.4191.543-1.564

1 3.25

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Optic Character

Biaxial/+

Crystal System

cubic

Triclinic

Birefringence

-99990.007-0.011

0 0.296

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Clarity

Transparent

Diamond and Andesine Optic Character

Diamond and Andesine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Diamond and Andesine 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 Diamond and Andesine 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. Andesine has Biaxial/+ character.

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Diamond and Andesine Transparency

Similar to their colors, Diamond and Andesine 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, Diamond is Transparent, Translucent and Transparent to opaque while Diamond is Transparent, Translucent and Transparent to opaque in appearance.