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Hackmanite
Hackmanite

Hodgkinsonite
Hodgkinsonite



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Hackmanite
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Hodgkinsonite

Hackmanite and Hodgkinsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Lavender and pale purple for transparent pink stones.Michael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Gems
1.5 Refractive Index
1.483-1.4871.720-1.746
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.026
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Hackmanite and Hodgkinsonite Optic Character

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

Hackmanite and Hodgkinsonite Transparency

Similar to their colors, Hackmanite and Hodgkinsonite 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, Hackmanite is Gemmological Tables (2004) while Hackmanite is Gemmological Tables (2004) in appearance.