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Grandidierite
Grandidierite

Morganite
Morganite



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Grandidierite
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Morganite

Grandidierite and Morganite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
visible
Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.578-1.6391.573-1.600
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.037-0.0390.005-0.009
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent to translucent

Grandidierite and Morganite Optic Character

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

Similar to their colors, Grandidierite and Morganite 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.