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Riebeckite
Riebeckite

Sunstone
Sunstone



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Riebeckite
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Sunstone

Riebeckite and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Vitreous
1.2 Pleochroism
X = blue
Weak or absentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.680-1.6981.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Triclinic
1.8 Birefringence
0.005-0.0080.007-0.010
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent to translucent

Riebeckite and Sunstone Optic Character

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

Similar to their colors, Riebeckite and Sunstone 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.