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Vesuvianite Idocrase
Vesuvianite Idocrase

Danburite
Danburite



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Vesuvianite Idocrase
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Danburite

Vesuvianite Idocrase and Danburite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
Weak: pale yellow yellow
1.3 Dispersion
0.020.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.700-1.7251.627-1.639
Agate Opal
1 3.25
1.6 Optic Character
Uniaxial/-
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.002-0.0120.006
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Vesuvianite Idocrase and Danburite Optic Character

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

Vesuvianite Idocrase and Danburite Transparency

Similar to their colors, Vesuvianite Idocrase 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, Vesuvianite Idocrase is Transparent while Vesuvianite Idocrase is Transparent in appearance.