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Gedrite
Gedrite

Gahnospinel
Gahnospinel



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Gedrite
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Gahnospinel

Gedrite and Gahnospinel Optical Properties

1 Optical Properties
1.1 Luster
Fibrous, Vitreous
Vitreous
1.2 Pleochroism
Weak to moderate
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.625-1.7181.735-1.790
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Gedrite and Gahnospinel Optic Character

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

Gedrite and Gahnospinel Transparency

Similar to their colors, Gedrite and Gahnospinel 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, Gedrite is Transparent while Gedrite is Transparent in appearance.