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Prasiolite
Prasiolite

Shattuckite
Shattuckite



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Prasiolite
X
Shattuckite

Prasiolite and Shattuckite Optical Properties

Optical Properties

Luster

Vitreous
Silky

Pleochroism

Very weak: light green pale greenWalter Schumann
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.544-1.5531.752-1.815
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.0090.063
0 0.296
👆🏻

Clarity

Transparent
Translucent

Prasiolite and Shattuckite Optic Character

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

Prasiolite and Shattuckite Transparency

Similar to their colors, Prasiolite and Shattuckite 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, Prasiolite is Transparent and Translucent while Prasiolite is Transparent and Translucent in appearance.