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Almandine
Almandine

Mimetite
Mimetite



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Almandine
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Mimetite

Almandine and Mimetite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Resinous, Subadamantine
1.2 Pleochroism
None
Weak
1.3 Dispersion
0.03NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
1.770-1.8202.106-2.263
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Hexagonal
1.8 Birefringence
Not Available0.019
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Almandine and Mimetite Optic Character

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

Similar to their colors, Almandine and Mimetite 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.