Charlesite and Tourmaline Bi Color Optical Properties

Charlesite

Tourmaline Bi Color

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Nearly colorless to pale golden yellow

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.4921.61-1.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Charlesite and Tourmaline Bi Color Optic Character

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

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