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Hibschite
Hibschite

Iolite
Iolite



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Hibschite
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Iolite

Hibschite and Iolite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Semitransparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
Not Available1.52-1.56
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
Orthorhombic
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
TranslucentAnthony et al
Transparent to translucent

Hibschite and Iolite Optic Character

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

Hibschite and Iolite Transparency

Similar to their colors, Hibschite and Iolite 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, Hibschite is Semitransparent while Hibschite is Semitransparent in appearance.