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Heliodor
Heliodor

Spessartine
Spessartine



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Heliodor
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Spessartine

Heliodor and Spessartine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.789-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric
1.8 Birefringence
Not Available0.027
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Heliodor and Spessartine Optic Character

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

Heliodor and Spessartine Transparency

Similar to their colors, Heliodor and Spessartine 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, Heliodor is Not Available while Heliodor is Not Available in appearance.