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Boleite
Boleite

Staurolite
Staurolite



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Boleite
X
Staurolite

Boleite and Staurolite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Resinous

Pleochroism

-
X = colorless; Y = pale yellow; Z = golden yellow

Dispersion

0.070.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.051.736-1.762
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
monoclinic

Birefringence

0.0100.009-0.015
0 0.296
👆🏻

Clarity

Transparent
-

Boleite and Staurolite Optic Character

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

Boleite and Staurolite Transparency

Similar to their colors, Boleite 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, Boleite is Transparent while Boleite is Transparent in appearance.