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Manganotantalite
Manganotantalite

Ruby
Ruby



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Manganotantalite
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Ruby

Manganotantalite and Ruby Optical Properties

Optical Properties

Luster

-
Vitreous, Adamantine

Pleochroism

Sometimes strongArthur Thomas
Strong: purplish-red

Dispersion

-0.02
0.005 1
👆🏻

Transparency

TransparentWalter Schumann
Transparent, Translucent, Transparent to opaque

Refractive Index

2.19-2.341.762-1.778
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.0150.008
0 0.296
👆🏻

Clarity

TransparentWalter Schumann
Transparent

Manganotantalite and Ruby Optic Character

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

Manganotantalite and Ruby Transparency

Similar to their colors, Manganotantalite and Ruby 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, Manganotantalite is TransparentWalter Schumann while Manganotantalite is TransparentWalter Schumann in appearance.