Rutilated Quartz and Anthophyllite Optical Properties

Rutilated Quartz

Anthophyllite

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Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Dispersion

0.010.01

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent

Refractive Index

1.544-1.5531.603-1.690

1 3.25

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Optic Character

Biaxial/+

Crystal System

Hexagonal

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Birefringence

0.009-9999

0 0.296

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Clarity

Transparent

Rutilated Quartz and Anthophyllite Optic Character

Rutilated Quartz and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Rutilated Quartz and Anthophyllite 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 Anthophyllite 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. Anthophyllite has Biaxial/+ character.

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Rutilated Quartz and Anthophyllite Transparency

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