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Serandite
Serandite

Hackmanite
Hackmanite



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Serandite
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Hackmanite

Serandite and Hackmanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky, Greasy, Fibrous
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)
1.5 Refractive Index
1.672-1.7081.483-1.487
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.036Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Serandite and Hackmanite Optic Character

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

Serandite and Hackmanite Transparency

Similar to their colors, Serandite and Hackmanite 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, Serandite is Gemmological Tables (2004) More from other references while Serandite is Gemmological Tables (2004) More from other references in appearance.