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Sugilite
Sugilite

Cerussite
Cerussite



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Sugilite
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Cerussite

Sugilite and Cerussite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine, Vitreous, Resinous
1.2 Pleochroism
Weak
AbsentWalter Schumann
1.3 Dispersion
NA0.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.607-1.6121.803-2.078
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.0030.273
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Sugilite and Cerussite Optic Character

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

Sugilite and Cerussite Transparency

Similar to their colors, Sugilite and Cerussite 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, Sugilite is Translucent while Sugilite is Translucent in appearance.