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Binghamite
Binghamite

Watermelon Tourmaline
Watermelon Tourmaline



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Binghamite
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Watermelon Tourmaline

Binghamite and Watermelon Tourmaline Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentGemdat.org, Management Team (2012)
1.5 Refractive Index
1.530-1.5431.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.003-0.0090.014-0.040
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentGemdat.org

Binghamite and Watermelon Tourmaline Optic Character

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

Binghamite and Watermelon Tourmaline Transparency

Similar to their colors, Binghamite 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, Binghamite is Translucent while Binghamite is Translucent in appearance.