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Boleite
Boleite

Grandidierite
Grandidierite



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Boleite
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Grandidierite

Boleite and Grandidierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
Not Available
visible
1.3 Dispersion
0.07NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.051.578-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Orthorhombic
1.8 Birefringence
0.0100.037-0.039
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Boleite and Grandidierite Optic Character

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

Boleite and Grandidierite Transparency

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