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Dumortierite
Dumortierite

Dendrite crystal
Dendrite crystal



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Dumortierite
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Dendrite crystal

Dumortierite and Dendrite crystal 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
1.669-1.723Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.011-0.037Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Dumortierite and Dendrite crystal Optic Character

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

Similar to their colors, Dumortierite and Dendrite crystal 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.