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Cancrinite
Cancrinite

Hibonite
Hibonite



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Cancrinite
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Hibonite

Cancrinite and Hibonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy, Pearly
Vitreous
1.2 Pleochroism
Not Available
O = brownish gray; E = gray
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Handbook of mineralogy (2001)
1.5 Refractive Index
1.491-1.5241.79-1.807
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Hexagonal
1.8 Birefringence
0.012-0.025Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Handbook of mineralogy (2001)

Cancrinite and Hibonite Optic Character

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

Cancrinite and Hibonite Transparency

Similar to their colors, Cancrinite 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, Cancrinite is Transparent while Cancrinite is Transparent in appearance.