Rutilated Quartz and Vivianite Optical Properties

Rutilated Quartz

Vivianite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

Not Available

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.544-1.5531.560-1.640

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.0090.054-0.075

0 0.296

1.9 Clarity

Transparent

Rutilated Quartz and Vivianite Optic Character

Rutilated Quartz and Vivianite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Rutilated Quartz and Vivianite 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 Rutilated Quartz and Vivianite 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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Rutilated Quartz and Vivianite Transparency

Similar to their colors, Rutilated Quartz and Vivianite 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, Rutilated Quartz is Translucent, Transparent and Transparent to translucent while Rutilated Quartz is Translucent, Transparent and Transparent to translucent in appearance.