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Hodgkinsonite
Hodgkinsonite

Poudretteite
Poudretteite



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Hodgkinsonite
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Poudretteite

Hodgkinsonite and Poudretteite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Colorless

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.720-1.7461.511-1.532
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Hexagonal

Birefringence

0.0260.021
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Hodgkinsonite and Poudretteite Optic Character

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

Similar to their colors, Hodgkinsonite and Poudretteite 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.