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Elbaite
Elbaite

Staurolite
Staurolite



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X
Elbaite
X
Staurolite

Elbaite and Staurolite Optical Properties

Optical Properties

Luster

Vitreous
Resinous

Pleochroism

Pale green
X = colorless; Y = pale yellow; Z = golden yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.614-1.6661.736-1.762
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.014-0.0320.009-0.015
0 0.296
👆🏻

Clarity

Transparent
-

Elbaite and Staurolite Optic Character

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

Elbaite and Staurolite Transparency

Similar to their colors, Elbaite and Staurolite 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, Elbaite is Transparent while Elbaite is Transparent in appearance.