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Hibschite
Hibschite

Dumortierite
Dumortierite



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Hibschite
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Dumortierite

Hibschite and Dumortierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Semitransparent
Translucent, Translucent to opaque
1.5 Refractive Index
Not Available
1.669-1.723
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 Available
0.011-0.037
1.9 Clarity
TranslucentAnthony et al
Translucent

Hibschite and Dumortierite Optic Character

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

Similar to their colors, Hibschite and Dumortierite 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.