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Star Ruby
Star Ruby

Hematite
Hematite



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Star Ruby
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Hematite

Star Ruby and Hematite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
O = brownish red; E = yellowish red

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

Transparent, Translucent
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.757-1.7802.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.007-0.0100.280
0 0.296
👆🏻

Clarity

Transparent
OpaqueHerve Nicolas Lazzarelli

Star Ruby and Hematite Optic Character

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

Star Ruby and Hematite Transparency

Similar to their colors, Star Ruby and Hematite 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, Star Ruby is Transparent and Translucent while Star Ruby is Transparent and Translucent in appearance.