Andesine and Beudantite Optical Properties

Andesine

Beudantite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Resinous

1.2 Pleochroism

colorless.

visible

1.3 Dispersion

0.70NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Not Available

1.5 Refractive Index

1.543-1.5641.957

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

Trigonal

1.8 Birefringence

0.007-0.0110.014

0 0.296

1.9 Clarity

Transparent

Not Available

Andesine and Beudantite Optic Character

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

Similar to their colors, Andesine and Beudantite 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.