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Boleite
Boleite

Hibonite
Hibonite



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Boleite and Hibonite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Not Available
O = brownish gray; E = gray
1.3 Dispersion
0.07NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Handbook of mineralogy (2001)
1.5 Refractive Index
2.051.79-1.807
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Hexagonal
1.8 Birefringence
0.010Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Handbook of mineralogy (2001)

Boleite and Hibonite Optic Character

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

Boleite and Hibonite Transparency

Similar to their colors, Boleite and Hibonite 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, Boleite is Transparent while Boleite is Transparent in appearance.