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Hurlbutite
Hurlbutite

Spodumene
Spodumene



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Hurlbutite
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Spodumene

Hurlbutite and Spodumene Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Strong in kunzite: α-purple
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.595-1.6041.657-1.681
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
0.0090.014-0.018
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Hurlbutite and Spodumene Optic Character

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

Similar to their colors, Hurlbutite and Spodumene 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.