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Boracite
Boracite

Fluorapatite
Fluorapatite



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Boracite
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Fluorapatite

Boracite and Fluorapatite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
Vitreous, Resinous

Pleochroism

None
Weak to strong if coloreD

Dispersion

-0.03
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.658-1.6731.631-1.650
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

0.010-0.011-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Boracite and Fluorapatite Optic Character

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

Boracite and Fluorapatite Transparency

Similar to their colors, Boracite 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, Boracite is Transparent while Boracite is Transparent in appearance.