Super Seven Crystals and Siderite Optical Properties

Super Seven Crystals

Siderite

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Optical Properties

Luster

Vitreous, Pearly, Silky

Pearly

Pleochroism

Dispersion

0.030.04

0.005 1

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Transparency

Transparent, Translucent, Opaque

Transparent, Translucent

Refractive Index

1.519-1.5211.633-1.875

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.0090-0.01000.242

0 0.296

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Clarity

Transparent

Super Seven Crystals and Siderite Optic Character

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

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