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Vermeil
Vermeil

Danburite
Danburite



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Vermeil
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Danburite

Vermeil and Danburite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
Weak: pale yellow yellow
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 22 (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available
1.627-1.639
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available
0.006
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Vermeil and Danburite Optic Character

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

Vermeil and Danburite Transparency

Similar to their colors, Vermeil 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, Vermeil is Not Available while Vermeil is Not Available in appearance.