Dallasite and Super Seven Crystals Optical Properties

Dallasite

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

NANA

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent, Opaque

1.5 Refractive Index

1.5401.519-1.521

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

0.008-0.0100.0090-0.0100

0 0.296

1.9 Clarity

Not Available

Dallasite and Super Seven Crystals Optic Character

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

Similar to their colors, Dallasite 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, Dallasite is Not Available while Dallasite is Not Available in appearance.