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Riebeckite and Gyrolite Optical Properties


Gyrolite and Riebeckite Optical Properties


Optical Properties

Luster
Vitreous, Silky   
Vitreous, Pearly   

Pleochroism
X = blue   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
1.680-1.698   
1.535   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Triclinic   

Birefringence
0.005-0.008   
0.0140   

Clarity
Not Available   
Not Available   

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Riebeckite and Gyrolite Optic Character

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

Similar to their colors, Riebeckite and Gyrolite 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, Riebeckite is Not Available while Riebeckite is Not Available in appearance.

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