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Heliotrope
Heliotrope

Chalcedony
Chalcedony



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Heliotrope
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Chalcedony

Heliotrope and Chalcedony Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Translucent, Translucent to opaque
1.5 Refractive Index
1.53-1.54
1.530-1.543
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.004
0.003-0.009
1.9 Clarity
Not Available
Translucent

Heliotrope and Chalcedony Optic Character

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

Heliotrope and Chalcedony Transparency

Similar to their colors, Heliotrope and Chalcedony 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, Heliotrope is Not Available while Heliotrope is Not Available in appearance.