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Schorl
Schorl

Pectolite
Pectolite



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Schorl
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Pectolite

Schorl and Pectolite Optical Properties

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Optical Properties

Luster

Vitreous
Silky

Pleochroism

Very strong: yellow-brown pale yellow
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.635-1.6721.595-1.645
1 3.25
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Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

0.0250.028-0.038
0 0.296
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Clarity

Transparent
Transparent

Schorl and Pectolite Optic Character

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

Schorl and Pectolite Transparency

Similar to their colors, Schorl and Pectolite 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, Schorl is Transparent and Translucent while Schorl is Transparent and Translucent in appearance.