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Almandine
Almandine

Stichtite
Stichtite



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Almandine
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Stichtite

Almandine and Stichtite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Waxy, Resinous
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
1.770-1.8201.516-1.544
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not Available0.026
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Almandine and Stichtite Optic Character

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

Similar to their colors, Almandine and Stichtite 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.