Cyprine of Berzelius and Sillimanite Optical Properties

Cyprine of Berzelius

Sillimanite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Subadamantine, Silky

1.2 Pleochroism

Not Available

Colourless to pale brown to yellow

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

1.698-1.7231.653-1.685

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.001-0.0120.020-0.022

0 0.296

1.9 Clarity

Not Available

Transparent

Cyprine of Berzelius and Sillimanite Optic Character

Cyprine of Berzelius and Sillimanite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cyprine of Berzelius and Sillimanite 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 Cyprine of Berzelius and Sillimanite 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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Cyprine of Berzelius and Sillimanite Transparency

Similar to their colors, Cyprine of Berzelius and Sillimanite 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, Cyprine of Berzelius is Not Available while Cyprine of Berzelius is Not Available in appearance.