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Hodgkinsonite
Hodgkinsonite

Dallasite
Dallasite



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Hodgkinsonite
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Dallasite

Hodgkinsonite and Dallasite 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
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Not Available
1.5 Refractive Index
1.720-1.7461.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.0260.008-0.010
Achroite
0 0.296
1.9 Clarity
Gems
Not Available

Hodgkinsonite and Dallasite Optic Character

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

Similar to their colors, Hodgkinsonite and Dallasite 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.