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Poldervaartite
Poldervaartite

Star Ruby
Star Ruby



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Poldervaartite
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Star Ruby

Poldervaartite and Star Ruby Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Weak: colorless light gray bluish grayAnthony et al
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.634-1.6561.757-1.780
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.007-0.010
0 0.296
👆🏻

Clarity

Transparent
Transparent

Poldervaartite and Star Ruby Optic Character

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

Poldervaartite and Star Ruby Transparency

Similar to their colors, Poldervaartite and Star 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, Poldervaartite is Transparent while Poldervaartite is Transparent in appearance.