Lazurite and Super Seven Crystals Optical Properties

Lazurite

Super Seven Crystals

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly, Silky

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent, Opaque

1.5 Refractive Index

1.5001.519-1.521

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

monoclinic

1.8 Birefringence

Not Available0.0090-0.0100

0 0.296

1.9 Clarity

Gemmological Tables (2004) More from other references

Not Available

Lazurite and Super Seven Crystals Optic Character

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

Similar to their colors, Lazurite 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, Lazurite is Gemmological Tables (2004) More from other references while Lazurite is Gemmological Tables (2004) More from other references in appearance.