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Fluorapatite
Fluorapatite

Lazulite
Lazulite



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Fluorapatite
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Lazulite

Fluorapatite and Lazulite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Not Available
1.2 Pleochroism
Weak to strong if coloreD
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.631-1.6501.604-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
Not Available0.031-0.036
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Fluorapatite and Lazulite Optic Character

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

Similar to their colors, Fluorapatite and Lazulite 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.