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Danburite
Danburite

Chrysoberyl
Chrysoberyl



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Danburite
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Chrysoberyl

Danburite and Chrysoberyl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
Weak: pale yellow yellow
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
0.020.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.627-1.6391.746-1.763
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Biaxial/+
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0060.007-0.013
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Danburite and Chrysoberyl Optic Character

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

Danburite and Chrysoberyl Transparency

Similar to their colors, Danburite and Chrysoberyl 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, Danburite is Gemmological Tables (2004) More from other references while Danburite is Gemmological Tables (2004) More from other references in appearance.