Clinohedrite and Tourmaline Optical Properties

Clinohedrite

Tourmaline

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1 Optical Properties

1.1 Luster

Pearly

Vitreous

1.2 Pleochroism

Not Available

typically moderate to strong

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent, Transparent to opaque

1.5 Refractive Index

11.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Domatic H-M Symbol (m) Space Group: Aa

Trigonal

1.8 Birefringence

Not Available0.014-0.040

0 0.296

1.9 Clarity

Transparent

Clinohedrite and Tourmaline Optic Character

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

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Clinohedrite and Tourmaline Transparency

Similar to their colors, Clinohedrite and 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, Clinohedrite is Transparent while Clinohedrite is Transparent in appearance.