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Danburite
Danburite

Crocoite
Crocoite



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Danburite
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Crocoite

Danburite and Crocoite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy
Weak: pale yellow yellow
0.02
-
1.627-1.639
Biaxial/+
Orthorhombic
0.006
TransparentUlrich Henn and Claudio C. Milisenda
 
Adamantine
Distinctly trichroic
0.02
Transparent
2.31-2.66
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
-9999
Transparent

Danburite and Crocoite Optic Character

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

Similar to their colors, Danburite and Crocoite 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.