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Linarite
Linarite

Dioptase
Dioptase



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Linarite
X
Dioptase

Linarite and Dioptase Optical Properties

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Optical Properties

Luster

Sub-Adamantine, Vitreous
Vitreous

Pleochroism

X = pale blue; Y = blue; Z = Prussian blue
Weak; dark emerald green

Dispersion

0.050.04
0.005 1
👆🏻

Transparency

Transparent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.809-1.8591.644-1.720
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.0500.051-0.053
0 0.296
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Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Linarite and Dioptase Optic Character

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

Linarite and Dioptase Transparency

Similar to their colors, Linarite 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, Linarite is Transparent while Linarite is Transparent in appearance.