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Arfvedsonite
Arfvedsonite

Watermelon Tourmaline
Watermelon Tourmaline



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Arfvedsonite
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Watermelon Tourmaline

Arfvedsonite and Watermelon Tourmaline Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Strong: Blue-greens
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
1.652-1.6991.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
Not Available0.014-0.040
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentGemdat.org

Arfvedsonite and Watermelon Tourmaline Optic Character

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

Arfvedsonite and Watermelon Tourmaline Transparency

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