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Anatase
Anatase

Danburite
Danburite



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Anatase
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Danburite

Anatase and Danburite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Greasy
1.2 Pleochroism
Weak
Weak: pale yellow yellow
1.3 Dispersion
0.210.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.488-2.5621.627-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.0730.006
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Anatase and Danburite Optic Character

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

Anatase and Danburite Transparency

Similar to their colors, Anatase 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, Anatase is Transparent while Anatase is Transparent in appearance.