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Chrysoberyl
Chrysoberyl

Creedite
Creedite



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Chrysoberyl
X
Creedite

Chrysoberyl and Creedite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
1.5 Refractive Index
1.746-1.7631.461-1.485
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.007-0.0130.024
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Chrysoberyl and Creedite Optic Character

Chrysoberyl and Creedite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrysoberyl and Creedite 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 Chrysoberyl and Creedite 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. Chrysoberyl has Biaxial/+ character.

Chrysoberyl and Creedite Transparency

Similar to their colors, Chrysoberyl and Creedite 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, Chrysoberyl is Translucent, Transparent and Transparent to translucent while Chrysoberyl is Translucent, Transparent and Transparent to translucent in appearance.