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Pyrargyrite
Pyrargyrite

Almandine
Almandine



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Pyrargyrite
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Almandine

Pyrargyrite and Almandine Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Greasy, Vitreous
1.2 Pleochroism
Distinct
None
1.3 Dispersion
NA0.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.881-3.0841.770-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
cubic
1.8 Birefringence
0.203Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Pyrargyrite and Almandine Optic Character

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

Pyrargyrite and Almandine Transparency

Similar to their colors, Pyrargyrite 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, Pyrargyrite is Translucent while Pyrargyrite is Translucent in appearance.