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Hurlbutite
Hurlbutite

Chrysoberyl
Chrysoberyl



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Hurlbutite
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Chrysoberyl

Hurlbutite and Chrysoberyl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.595-1.6041.746-1.763
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
1.8 Birefringence
0.0090.007-0.013
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Hurlbutite and Chrysoberyl Optic Character

Hurlbutite and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Hurlbutite and Chrysoberyl 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 Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

Hurlbutite and Chrysoberyl Transparency

Similar to their colors, Hurlbutite and Chrysoberyl 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.