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Grandidierite
Grandidierite

Diopside
Diopside



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Grandidierite
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Diopside

Grandidierite and Diopside Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
visible
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
1.5 Refractive Index
1.578-1.6391.664-1.730
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.037-0.0390.024-0.030
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Grandidierite and Diopside Optic Character

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

Similar to their colors, Grandidierite and Diopside 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.