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Fluorapatite
Fluorapatite

Andradite
Andradite



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Fluorapatite
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Andradite

Fluorapatite and Andradite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Adamantine, Resinous
1.2 Pleochroism
Weak to strong if coloreD
Not Available
1.3 Dispersion
NA0.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.631-1.6501.88-1.94
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
cubic
1.8 Birefringence
Not Available0.057
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Fluorapatite and Andradite Optic Character

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

Similar to their colors, Fluorapatite and Andradite 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.