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Staurolite
Staurolite

Jacobsite
Jacobsite



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X
Staurolite
X
Jacobsite

Staurolite and Jacobsite Optical Properties

Optical Properties

Luster

Resinous
-

Pleochroism

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

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.736-1.762-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.009-0.015-9999
0 0.296
👆🏻

Clarity

-
Translucent

Staurolite and Jacobsite Optic Character

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

Staurolite and Jacobsite Transparency

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