Chalcedony and Super Seven Crystals Optical Properties

Chalcedony

Super Seven Crystals

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly, Silky

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent, Translucent to opaque

Transparent, Translucent, Opaque

1.5 Refractive Index

1.530-1.5431.519-1.521

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

monoclinic

1.8 Birefringence

0.003-0.0090.0090-0.0100

0 0.296

1.9 Clarity

Translucent

Not Available

Chalcedony and Super Seven Crystals Optic Character

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

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Chalcedony and Super Seven Crystals Transparency

Similar to their colors, Chalcedony and Super Seven Crystals 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, Chalcedony is Translucent and Translucent to opaque while Chalcedony is Translucent and Translucent to opaque in appearance.