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Garnet
Garnet

Danburite
Danburite



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Garnet
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Danburite

Garnet and Danburite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Adamantine
None
0.02
Transparent, Transparent to translucent
1.730-1.895
-
Trigonal
-9999
Transparent
 
Vitreous, Greasy
Weak: pale yellow yellow
0.02
-
1.627-1.639
Biaxial/+
Orthorhombic
0.006
TransparentUlrich Henn and Claudio C. Milisenda

Garnet and Danburite Optic Character

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

Garnet and Danburite Transparency

Similar to their colors, Garnet and Danburite 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, Garnet is while Garnet is in appearance.