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Rhyolite
Rhyolite

Sugilite
Sugilite



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Rhyolite
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Sugilite

Rhyolite and Sugilite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
Not Available1.607-1.612
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
Not Available0.003
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Rhyolite and Sugilite Optic Character

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

Rhyolite and Sugilite Transparency

Similar to their colors, Rhyolite 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, Rhyolite is Not Available while Rhyolite is Not Available in appearance.