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Riebeckite
Riebeckite

Hanksite
Hanksite



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Riebeckite
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Hanksite

Riebeckite and Hanksite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Vitreous
1.2 Pleochroism
X = blue
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.680-1.6981.481
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Hexagonal
1.8 Birefringence
0.005-0.0080.020
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Riebeckite and Hanksite Optic Character

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

Riebeckite and Hanksite Transparency

Similar to their colors, Riebeckite and Hanksite 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, Riebeckite is Not Available while Riebeckite is Not Available in appearance.