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Gibbsite
Gibbsite

Chrysoprase
Chrysoprase



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Gibbsite
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Chrysoprase

Gibbsite and Chrysoprase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Vitreous, Waxy
1.2 Pleochroism
colorless.
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
Not Available1.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
Not Available0.004
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Gibbsite and Chrysoprase Optic Character

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

Gibbsite and Chrysoprase Transparency

Similar to their colors, Gibbsite and Chrysoprase 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, Gibbsite is Not Available while Gibbsite is Not Available in appearance.