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Grandidierite
Grandidierite

Lehsunia
Lehsunia



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Grandidierite
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Lehsunia

Grandidierite and Lehsunia Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
visible
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.578-1.639
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.037-0.039
Not Available
1.9 Clarity
Gemmological Tables (2004) More from other references
Not Available

Grandidierite and Lehsunia Optic Character

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

Grandidierite and Lehsunia Transparency

Similar to their colors, Grandidierite and Lehsunia 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, Grandidierite is Gemmological Tables (2004) More from other references while Grandidierite is Gemmological Tables (2004) More from other references in appearance.