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Boracite and Creedite Optical Properties


Creedite and Boracite Optical Properties


Optical Properties

Luster
Vitreous, Adamantine   
Vitreous   

Pleochroism
None   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent, Translucent   

Refractive Index
1.658-1.673   
1.461-1.485   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.010-0.011   
0.024   

Clarity
Transparent   
Transparent   

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Boracite and Creedite Optic Character

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

Similar to their colors, Boracite and Creedite 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, Boracite is Transparent while Boracite is Transparent in appearance.

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