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Dumortierite quartz
Dumortierite quartz

Tourmaline
Tourmaline



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Dumortierite quartz
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Tourmaline

Dumortierite quartz and Tourmaline Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
typically moderate to strong
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
Not Available1.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.014-0.040
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Dumortierite quartz and Tourmaline Optic Character

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

Similar to their colors, Dumortierite quartz and Tourmaline 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 quartz is Not Available while Dumortierite quartz is Not Available in appearance.