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Demantoid
Demantoid

Stichtite
Stichtite



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Demantoid
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Stichtite

Demantoid and Stichtite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Waxy, Resinous
1.2 Pleochroism
None
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent
1.5 Refractive Index
1.880-1.8901.516-1.544
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

Demantoid and Stichtite Optic Character

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

Demantoid and Stichtite Transparency

Similar to their colors, Demantoid 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, Demantoid is Gemmological Tables (2004) while Demantoid is Gemmological Tables (2004) in appearance.