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Fluorapatite
Fluorapatite

Linarite
Linarite



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Fluorapatite
X
Linarite

Fluorapatite and Linarite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Sub-Adamantine, Vitreous

Pleochroism

Weak to strong if coloreD
X = pale blue; Y = blue; Z = Prussian blue

Dispersion

0.030.05
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.631-1.6501.809-1.859
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

-99990.050
0 0.296
👆🏻

Clarity

Transparent
Transparent

Fluorapatite and Linarite Optic Character

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

Fluorapatite and Linarite Transparency

Similar to their colors, Fluorapatite and Linarite 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, Fluorapatite is Transparent while Fluorapatite is Transparent in appearance.