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Grandidierite
Grandidierite

Moss Agate
Moss Agate



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Grandidierite
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Moss Agate

Grandidierite and Moss Agate Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
visible
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann, Gemstones of the world (2001)
1.5 Refractive Index
1.578-1.6391.530-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.037-0.0390.004
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann

Grandidierite and Moss Agate Optic Character

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

Similar to their colors, Grandidierite and Moss Agate 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.