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Hurlbutite
Hurlbutite

Hodgkinsonite
Hodgkinsonite



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Hurlbutite
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Hodgkinsonite

Hurlbutite 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
Transparent
Gems
1.5 Refractive Index
1.595-1.6041.720-1.746
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
monoclinic
1.8 Birefringence
0.0090.026
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Hurlbutite and Hodgkinsonite Optic Character

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

Hurlbutite and Hodgkinsonite Transparency

Similar to their colors, Hurlbutite 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, Hurlbutite is Transparent while Hurlbutite is Transparent in appearance.