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Hematite
Hematite

White Opal
White Opal



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Hematite
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White Opal

Hematite and White Opal Optical Properties

Optical Properties

Luster

-
-

Pleochroism

O = brownish red; E = yellowish red
-

Dispersion

0.050.01
0.005 1
👆🏻

Transparency

OpaqueHerve Nicolas Lazzarelli
Translucent

Refractive Index

2.690-3.2201.37-1.52
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.280-9999
0 0.296
👆🏻

Clarity

OpaqueHerve Nicolas Lazzarelli
Translucent

Hematite and White Opal Optic Character

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

Hematite and White Opal Transparency

Similar to their colors, Hematite and White Opal 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, Hematite is OpaqueHerve Nicolas Lazzarelli while Hematite is OpaqueHerve Nicolas Lazzarelli in appearance.