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Bornite
Bornite

Grandidierite
Grandidierite



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Bornite
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Grandidierite

Bornite and Grandidierite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Weak
visible
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.578-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
Not Available0.037-0.039
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Bornite and Grandidierite Optic Character

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

Bornite and Grandidierite Transparency

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