Achroite and Super Seven Crystals Optical Properties

Achroite

Super Seven Crystals

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Pearly, Silky

1.2 Pleochroism

Not Available

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent, Translucent, Opaque

1.5 Refractive Index

1.614-1.6661.519-1.521

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

0.014-0.0400.0090-0.0100

0 0.296

1.9 Clarity

Transparent

Not Available

Achroite and Super Seven Crystals Optic Character

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

Similar to their colors, Achroite 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, Achroite is Translucent and Transparent while Achroite is Translucent and Transparent in appearance.