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Topazolite
Topazolite

Grandidierite
Grandidierite



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Topazolite
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Grandidierite

Topazolite and Grandidierite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine
Vitreous, Pearly
1.2 Pleochroism
Not Available
visible
1.3 Dispersion
0.06NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.855-1.8951.578-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.037-0.039
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Topazolite and Grandidierite Optic Character

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

Topazolite and Grandidierite Transparency

Similar to their colors, Topazolite and Grandidierite 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, Topazolite is Transparent while Topazolite is Transparent in appearance.