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Morganite
Morganite

Grandidierite
Grandidierite



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Morganite
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Grandidierite

Morganite and Grandidierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli
visible
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.573-1.6001.578-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.005-0.0090.037-0.039
Achroite
0 0.296
1.9 Clarity
Transparent to translucent
Gemmological Tables (2004) More from other references

Morganite and Grandidierite Optic Character

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

Morganite and Grandidierite Transparency

Similar to their colors, Morganite 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, Morganite is Translucent, Transparent and Transparent to translucent while Morganite is Translucent, Transparent and Transparent to translucent in appearance.