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Quartz
Quartz

Gibbsite
Gibbsite



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Quartz
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Gibbsite

Quartz and Gibbsite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
None
colorless.
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Not Available
1.5 Refractive Index
1.544-1.553Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Opaque
Not Available

Quartz and Gibbsite Optic Character

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

Quartz and Gibbsite Transparency

Similar to their colors, Quartz and Gibbsite 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, Quartz is Translucent, Transparent and Transparent to translucent while Quartz is Translucent, Transparent and Transparent to translucent in appearance.