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Hodgkinsonite
Hodgkinsonite

Afghanite
Afghanite



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Hodgkinsonite
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Afghanite

Hodgkinsonite and Afghanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Lavender and pale purple for transparent pink stones.Michael O’Donoghue
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent, Gemstones (2009)
1.5 Refractive Index
1.720-1.7461.523
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.0260.006
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Hodgkinsonite and Afghanite Optic Character

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

Similar to their colors, Hodgkinsonite and Afghanite 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.