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Shattuckite
Shattuckite

Sugilite
Sugilite



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Shattuckite
X
Sugilite

Shattuckite and Sugilite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Vitreous
1.2 Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent
1.5 Refractive Index
1.752-1.8151.607-1.612
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.0630.003
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Shattuckite and Sugilite Optic Character

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

Shattuckite and Sugilite Transparency

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