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Celestine
Celestine

Gahnospinel
Gahnospinel



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Celestine
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Gahnospinel

Celestine and Gahnospinel Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Weakly trichroiC
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Gemmological Tables (2004)
1.5 Refractive Index
1.619-1.6351.735-1.790
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Isometric
1.8 Birefringence
0.004-0.012Not Available
Achroite
0 0.296
1.9 Clarity
Gems
TransparentUlrich Henn and Claudio C. Milisenda

Celestine and Gahnospinel Optic Character

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

Celestine and Gahnospinel Transparency

Similar to their colors, Celestine 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, Celestine is Gems while Celestine is Gems in appearance.