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Dioptase
Dioptase

Larvikite
Larvikite



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Dioptase
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Larvikite

Dioptase and Larvikite Optical Properties

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

Weak; dark emerald green
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
Transparent, Translucent

Refractive Index

1.644-1.720-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.051-0.053-9999
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Transparent

Dioptase and Larvikite Optic Character

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

Dioptase and Larvikite Transparency

Similar to their colors, Dioptase and Larvikite 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.