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Zircon and Almandine Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Greasy, Vitreous
1.2 Pleochroism
Weak
None
1.3 Dispersion
Albite Optical ..
0.04
Rank: 11 (Overall)
0.03
Rank: 15 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.810-2.024
1.770-1.820
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
cubic
1.8 Birefringence
0.047-0.055
Not Available
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Zircon and Almandine Optic Character

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

Zircon and Almandine Transparency

Similar to their colors, Zircon 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, Zircon is Transparent while Zircon is Transparent in appearance.

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