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Danburite
Danburite

Chrysoprase
Chrysoprase



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Danburite
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Chrysoprase

Danburite and Chrysoprase Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Waxy

Pleochroism

Weak: pale yellow yellow
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Translucent, Opaque, Translucent to nearly opaque

Refractive Index

1.627-1.6391.530-1.543
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.0060.004
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Danburite and Chrysoprase Optic Character

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

Danburite and Chrysoprase Transparency

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