Super Seven Crystals and Chalcedony Optical Properties

Super Seven Crystals

Chalcedony

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1 Optical Properties

1.1 Luster

Vitreous, Pearly, Silky

Vitreous

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent, Translucent, Opaque

Translucent, Translucent to opaque

1.5 Refractive Index

1.519-1.5211.530-1.543

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Trigonal

1.8 Birefringence

0.0090-0.01000.003-0.009

0 0.296

1.9 Clarity

Not Available

Translucent

Super Seven Crystals and Chalcedony Optic Character

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

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Super Seven Crystals and Chalcedony Transparency

Similar to their colors, Super Seven Crystals 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, Super Seven Crystals is Opaque, Translucent and Transparent while Super Seven Crystals is Opaque, Translucent and Transparent in appearance.