Anorthoclase and Tourmaline Bi Color Optical Properties

Anorthoclase

Tourmaline Bi Color

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Not Available

1.2 Pleochroism

WeakMichael OâDonoghue

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Not Available

1.5 Refractive Index

1.518-1.5341.61-1.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1

Not Available

1.8 Birefringence

0.006-0.008Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Anorthoclase and Tourmaline Bi Color Optic Character

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

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