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Fluorapatite
Fluorapatite

Realgar
Realgar



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Fluorapatite
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Realgar

Fluorapatite and Realgar Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Not Available
1.2 Pleochroism
Weak to strong if coloreD
Nearly colorless to pale golden yellowAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gems
1.5 Refractive Index
1.631-1.6502.538-2.704
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
Not Available0.166
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Fluorapatite and Realgar Optic Character

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

Similar to their colors, Fluorapatite and Realgar 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.