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Esperite
Esperite

Hibonite
Hibonite



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Esperite
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Hibonite

Esperite and Hibonite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
colorless.
O = brownish gray; E = gray
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
OpaqueAnthony et al, Opaque, Transparent
Handbook of mineralogy (2001)
1.5 Refractive Index
1.760-1.7741.79-1.807
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Hexagonal
1.8 Birefringence
0.012Not Available
Achroite
0 0.296
1.9 Clarity
OpaqueAnthony et al
Handbook of mineralogy (2001)

Esperite and Hibonite Optic Character

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

Esperite and Hibonite Transparency

Similar to their colors, Esperite 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, Esperite is Opaque, OpaqueAnthony et al and Transparent while Esperite is Opaque, OpaqueAnthony et al and Transparent in appearance.