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Beudantite and Topaz Optical Properties


Topaz and Beudantite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Vitreous   

Pleochroism
visible   
Weak   

Dispersion
Not Available   
0.01   
26

Transparency
Not Available   
Transparent   

Refractive Index
1.957   
1.606-1.644   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Orthorhombic   

Birefringence
0.014   
0.008-0.011   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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<< Physical Properties

Beudantite and Topaz Optic Character

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

Similar to their colors, Beudantite and Topaz 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, Beudantite is Not Available while Beudantite is Not Available in appearance.

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