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Fluorapatite
Fluorapatite

Malachite
Malachite



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Fluorapatite
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Malachite

Fluorapatite and Malachite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Adamantine, Vitreous, Silky

Pleochroism

Weak to strong if coloreD
-

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

Transparent
Opaque

Refractive Index

1.631-1.6501.655-1.909
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

-99990.254
0 0.296
👆🏻

Clarity

Transparent
-

Fluorapatite and Malachite Optic Character

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

Similar to their colors, Fluorapatite and Malachite 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.