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Fluorapatite
Fluorapatite

Hemimorphite
Hemimorphite



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Fluorapatite
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Hemimorphite

Fluorapatite and Hemimorphite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Adamantine, Silky
1.2 Pleochroism
Weak to strong if coloreD
AbsentWalter Schumann
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.631-1.6501.614-1.636
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
Not Available0.022
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Fluorapatite and Hemimorphite Optic Character

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

Similar to their colors, Fluorapatite and Hemimorphite 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.