Cat s Eye and Dumortierite quartz Optical Properties

Cat s Eye

Dumortierite quartz

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Not Available

1.5 Refractive Index

1.744-1.755Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Translucent

Not Available

Cat s Eye and Dumortierite quartz Optic Character

Cat s Eye and Dumortierite quartz optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cat s Eye and Dumortierite quartz 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 Cat s Eye and Dumortierite quartz 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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Cat s Eye and Dumortierite quartz Transparency

Similar to their colors, Cat s Eye and Dumortierite quartz 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, Cat s Eye is Translucent while Cat s Eye is Translucent in appearance.