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Hibonite
Hibonite

Chrysocolla
Chrysocolla



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Hibonite
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Chrysocolla

Hibonite and Chrysocolla Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
O = brownish gray; E = gray
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Handbook of mineralogy (2001)
Opaque
1.5 Refractive Index
1.79-1.8071.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
Not Available0.023-0.050
Achroite
0 0.296
1.9 Clarity
Handbook of mineralogy (2001)
Gemmological Tables (2004) More from other references

Hibonite and Chrysocolla Optic Character

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

Hibonite and Chrysocolla Transparency

Similar to their colors, Hibonite and Chrysocolla 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, Hibonite is Handbook of mineralogy (2001) while Hibonite is Handbook of mineralogy (2001) in appearance.