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Dumortierite
Dumortierite

Garnet Malaia
Garnet Malaia



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Dumortierite
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Garnet Malaia

Dumortierite and Garnet Malaia Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Not Available
1.5 Refractive Index
1.669-1.7231.73-1.81
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Isometric
1.8 Birefringence
0.011-0.037Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Color grading system

Dumortierite and Garnet Malaia Optic Character

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

Dumortierite and Garnet Malaia Transparency

Similar to their colors, Dumortierite and Garnet Malaia 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, Dumortierite is Translucent and Translucent to opaque while Dumortierite is Translucent and Translucent to opaque in appearance.