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Pearl
Pearl

Fluorapatite
Fluorapatite



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Pearl
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Fluorapatite

Pearl and Fluorapatite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Resinous
1.2 Pleochroism
AbsentWalter Schumann
Weak to strong if coloreD
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Transparent
1.5 Refractive Index
1.52-1.661.631-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.156Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pearl and Fluorapatite Optic Character

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

Pearl and Fluorapatite Transparency

Similar to their colors, Pearl and Fluorapatite 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, Pearl is Translucent and Opaque while Pearl is Translucent and Opaque in appearance.