Annabergite and Tourmaline Bi Color Optical Properties

Annabergite

Tourmaline Bi Color

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1 Optical Properties

1.1 Luster

Subadamantine, Pearly

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.6221.61-1.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.065Not Available

0 0.296

1.9 Clarity

Not Available

Annabergite and Tourmaline Bi Color Optic Character

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

Annabergite Vs Beudantite

Annabergite Vs Chlorite group

Annabergite and Tourmaline Bi Color Transparency

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