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Rhyolite
Rhyolite

Watermelon Tourmaline
Watermelon Tourmaline



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Rhyolite
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Watermelon Tourmaline

Rhyolite and Watermelon Tourmaline Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TransparentGemdat.org, Management Team (2012)
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
Trigonal
Not Available
1.8 Birefringence
Not Available0.014-0.040
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentGemdat.org

Rhyolite and Watermelon Tourmaline Optic Character

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

Rhyolite and Watermelon Tourmaline Transparency

Similar to their colors, Rhyolite and Watermelon 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, Rhyolite is Not Available while Rhyolite is Not Available in appearance.