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Larvikite
Larvikite

Dioptase
Dioptase



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Larvikite
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Dioptase

Larvikite and Dioptase Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
Weak; dark emerald green

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

-99991.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.051-0.053
0 0.296
👆🏻

Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Larvikite and Dioptase Optic Character

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

Larvikite and Dioptase Transparency

Similar to their colors, Larvikite and Dioptase 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, Larvikite is Transparent and Translucent while Larvikite is Transparent and Translucent in appearance.