Sphalerite and Tourmaline Bi Color Optical Properties

Sphalerite

Tourmaline Bi Color

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

0.16NA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

2.368-2.3711.61-1.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Not Available

Sphalerite and Tourmaline Bi Color Optic Character

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

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Sphalerite and Tourmaline Bi Color Transparency

Similar to their colors, Sphalerite and Tourmaline Bi Color 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, Sphalerite is Translucent and Transparent while Sphalerite is Translucent and Transparent in appearance.