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Hodgkinsonite
Hodgkinsonite

Black Opal
Black Opal



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Hodgkinsonite
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Black Opal

Hodgkinsonite and Black Opal Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Lavender and pale purple for transparent pink stones.Michael O’Donoghue
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent, Translucent
1.5 Refractive Index
1.720-1.7461.370-1.470
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.026Not Available
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Hodgkinsonite and Black Opal Optic Character

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

Similar to their colors, Hodgkinsonite and Black Opal 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 Gems while Hodgkinsonite is Gems in appearance.