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Scapolite
Scapolite

Poudretteite
Poudretteite



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Scapolite
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Poudretteite

Scapolite and Poudretteite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Colorless

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.540-1.5791.511-1.532
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Hexagonal

Birefringence

0.006-0.0370.021
0 0.296
👆🏻

Clarity

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

Scapolite and Poudretteite Optic Character

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

Similar to their colors, Scapolite and Poudretteite 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.