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Fluorite
Fluorite

Almandine
Almandine



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Almandine

Fluorite and Almandine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy, Vitreous
1.2 Pleochroism
AbsentWalter Schumann
None
1.3 Dispersion
Albite Optical ..
0.01
Rank: 30 (Overall)
0.03
Rank: 15 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.432-1.436
1.770-1.820
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
cubic
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Fluorite and Almandine Optic Character

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

Fluorite and Almandine Transparency

Similar to their colors, Fluorite and Almandine 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, Fluorite is Translucent, Transparent and Transparent to translucent while Fluorite is Translucent, Transparent and Transparent to translucent in appearance.

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