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Aragonite
Aragonite

Almandine
Almandine



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Aragonite
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Almandine

Aragonite and Almandine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Greasy, Vitreous
1.2 Pleochroism
StrongArthur Thomas
None
1.3 Dispersion
NA0.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.525-1.6861.770-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
cubic
1.8 Birefringence
0.155Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Aragonite and Almandine Optic Character

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

Aragonite and Almandine Transparency

Similar to their colors, Aragonite 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, Aragonite is Translucent and Transparent while Aragonite is Translucent and Transparent in appearance.