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Meionite
Meionite

Tourmaline
Tourmaline



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Meionite
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Tourmaline

Meionite and Tourmaline Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
Not Available
typically moderate to strong
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.556-1.6001.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.024-0.0370.014-0.040
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Meionite and Tourmaline Optic Character

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

Meionite and Tourmaline Transparency

Similar to their colors, Meionite 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, Meionite is Translucent and Transparent while Meionite is Translucent and Transparent in appearance.