Andesine and Anatase Optical Properties

Andesine

Anatase

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1 Optical Properties

1.1 Luster

Vitreous

Adamantine

1.2 Pleochroism

colorless.

Weak

1.3 Dispersion

0.700.21

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.543-1.5642.488-2.562

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

tetragonal

1.8 Birefringence

0.007-0.0110.073

0 0.296

1.9 Clarity

Transparent

Andesine and Anatase Optic Character

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

Similar to their colors, Andesine and Anatase 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.