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Beudantite
Beudantite

Danburite
Danburite



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Beudantite
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Danburite

Beudantite and Danburite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Greasy
1.2 Pleochroism
visible
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
1.957
1.627-1.639
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.014
0.006
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Beudantite and Danburite Optic Character

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

Beudantite and Danburite Transparency

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