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Flint
Flint

Tourmaline
Tourmaline



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Flint
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Tourmaline

Flint and Tourmaline Optical Properties

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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

Flint and Tourmaline Optic Character

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

Flint and Tourmaline Transparency

Similar to their colors, Flint 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, Flint is Not Available while Flint is Not Available in appearance.