Pyrargyrite and Tourmaline Bi Color Optical Properties

Pyrargyrite

Tourmaline Bi Color

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

Distinct

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Not Available

1.5 Refractive Index

2.881-3.0841.61-1.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.203Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Pyrargyrite and Tourmaline Bi Color Optic Character

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

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