Andesine and Cinnabar Optical Properties

Andesine

Cinnabar

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1 Optical Properties

1.1 Luster

Vitreous

Adamantine

1.2 Pleochroism

colorless.

NilArthur Thomas

1.3 Dispersion

0.70NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent

1.5 Refractive Index

1.543-1.5642.905-3.25

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

Trigonal

1.8 Birefringence

0.007-0.011Not Available

0 0.296

1.9 Clarity

Transparent

Translucent

Andesine and Cinnabar Optic Character

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

Similar to their colors, Andesine and Cinnabar 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.