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Fluorapatite
Fluorapatite

Sugilite
Sugilite



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Fluorapatite
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Sugilite

Fluorapatite and Sugilite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
Weak to strong if coloreD
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.631-1.6501.607-1.612
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Hexagonal
1.8 Birefringence
Not Available0.003
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Fluorapatite and Sugilite Optic Character

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

Similar to their colors, Fluorapatite and Sugilite 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.