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Rhyolite
Rhyolite

Periclase
Periclase



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Rhyolite
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Periclase

Rhyolite and Periclase Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
Not Available1.735-1.738
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentWalter Schumann

Rhyolite and Periclase Optic Character

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

Similar to their colors, Rhyolite and Periclase 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.