Zincite and Super Seven Crystals Optical Properties

Zincite

Super Seven Crystals

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1 Optical Properties

1.1 Luster

Subadamantine, Resinous

Vitreous, Pearly, Silky

1.2 Pleochroism

Very weak

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references

Transparent, Translucent, Opaque

1.5 Refractive Index

2.013-2.0291.519-1.521

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

monoclinic

1.8 Birefringence

0.0160.0090-0.0100

0 0.296

1.9 Clarity

TransparentRobert C. Kammerling

Not Available

Zincite and Super Seven Crystals Optic Character

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

Similar to their colors, Zincite 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, Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling while Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling in appearance.