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Scapolite
Scapolite

Topaz
Topaz



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Scapolite
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Topaz

Scapolite and Topaz Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
Weak

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.540-1.5791.606-1.644
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Orthorhombic

Birefringence

0.006-0.0370.008-0.011
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Scapolite and Topaz Optic Character

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

Scapolite and Topaz Transparency

Similar to their colors, Scapolite 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, Scapolite is while Scapolite is in appearance.