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Hodgkinsonite
Hodgkinsonite

Staurolite
Staurolite



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X
Hodgkinsonite
X
Staurolite

Hodgkinsonite and Staurolite Optical Properties

Optical Properties

Luster

Vitreous
Resinous

Pleochroism

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

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.720-1.7461.736-1.762
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.0260.009-0.015
0 0.296
👆🏻

Clarity

-
-

Hodgkinsonite and Staurolite Optic Character

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

Hodgkinsonite and Staurolite Transparency

Similar to their colors, Hodgkinsonite 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, Hodgkinsonite is while Hodgkinsonite is in appearance.