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Linarite and Benitoite Optical Properties


Benitoite and Linarite Optical Properties


Optical Properties

Luster
Sub-Adamantine, Vitreous   
Vitreous   

Pleochroism
X = pale blue; Y = blue; Z = Prussian blue   
O = colorless; E = purple   

Dispersion
Not Available   
0.04   
11

Transparency
Transparent   
Transparent   

Refractive Index
1.809-1.859   
1.757-1.804   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Hexagonal   

Birefringence
0.050   
0.047   

Clarity
Transparent   
Transparent   

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Linarite and Benitoite Optic Character

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

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Linarite and Benitoite Transparency

Similar to their colors, Linarite and Benitoite 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.

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