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Gaspeite
Gaspeite

Danburite
Danburite



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Gaspeite
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Danburite

Gaspeite and Danburite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
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
1.830
1.627-1.639
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.220
0.006
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Gaspeite and Danburite Optic Character

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

Gaspeite and Danburite Transparency

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