Tourmaline Bi Color and Fluorapatite Optical Properties

Tourmaline Bi Color

Fluorapatite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Resinous

1.2 Pleochroism

Not Available

Weak to strong if coloreD

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

1.61-1.661.631-1.650

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Transparent

Tourmaline Bi Color and Fluorapatite Optic Character

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

Similar to their colors, Tourmaline Bi Color and Fluorapatite 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, Tourmaline Bi Color is Not Available while Tourmaline Bi Color is Not Available in appearance.