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Tourmaline
Tourmaline

Lizardite
Lizardite



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Tourmaline
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Lizardite

Tourmaline and Lizardite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
typically moderate to strong
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
TranslucentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.614-1.666
1.538-1.560
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.014-0.040
Not Available
1.9 Clarity
Transparent
TranslucentAnthony et al

Tourmaline and Lizardite Optic Character

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

Tourmaline and Lizardite Transparency

Similar to their colors, Tourmaline and Lizardite 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, Tourmaline is Translucent, Transparent and Transparent to opaque while Tourmaline is Translucent, Transparent and Transparent to opaque in appearance.