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Rubellite Tourmaline
Rubellite Tourmaline

Omphacite
Omphacite



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Rubellite Tourmaline
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Omphacite

Rubellite Tourmaline and Omphacite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak: colorless -- very pale green -- very pale green
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
TranslucentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
Not Available1.662-1.723
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Opaque
TranslucentAnthony et al

Rubellite Tourmaline and Omphacite Optic Character

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

Rubellite Tourmaline and Omphacite Transparency

Similar to their colors, Rubellite Tourmaline and Omphacite 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, Rubellite Tourmaline is Opaque while Rubellite Tourmaline is Opaque in appearance.