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Alunite
Alunite

Scolecite
Scolecite



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Alunite
X
Scolecite

Alunite and Scolecite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous, Silky

Pleochroism

-
X: colourless Y: colourless Z: colourless

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.5721.512-1.523
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.0200.011
0 0.296
👆🏻

Clarity

-
Transparent

Alunite and Scolecite Optic Character

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

Alunite and Scolecite Transparency

Similar to their colors, Alunite and Scolecite 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, Alunite is while Alunite is in appearance.