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Almandine
Almandine

Zircon
Zircon



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Almandine
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Zircon

Almandine and Zircon Optical Properties

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1 Optical Properties
1.1 Luster
Greasy, Vitreous
Adamantine
1.2 Pleochroism
None
Weak
1.3 Dispersion
0.030.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.770-1.8201.810-2.024
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
tetragonal
1.8 Birefringence
Not Available0.047-0.055
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Almandine and Zircon Optic Character

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

Almandine and Zircon Transparency

Similar to their colors, Almandine and Zircon 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, Almandine is Gemmological Tables (2004) More from other references while Almandine is Gemmological Tables (2004) More from other references in appearance.