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Linarite and Realgar Optical Properties


Realgar and Linarite Optical Properties


Optical Properties

Luster
Sub-Adamantine, Vitreous   
Not Available   

Pleochroism
X = pale blue; Y = blue; Z = Prussian blue   
Nearly colorless to pale golden yellowAnthony et al   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gems   

Refractive Index
1.809-1.859   
2.538-2.704   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.050   
0.166   

Clarity
Transparent   
Gems   

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Linarite and Realgar Optic Character

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

Similar to their colors, Linarite and Realgar 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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