Uvarovite Garnet and Anthophyllite Optical Properties

Uvarovite Garnet

Anthophyllite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous, Pearly

1.2 Pleochroism

Not Available

When Fe-rich

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.860-1.8701.603-1.690

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Isometric

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

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Uvarovite Garnet and Anthophyllite Optic Character

Uvarovite Garnet and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Uvarovite Garnet 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 Uvarovite Garnet 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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Uvarovite Garnet and Anthophyllite Transparency

Similar to their colors, Uvarovite Garnet 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, Uvarovite Garnet is Translucent, Transparent and Transparent to translucent while Uvarovite Garnet is Translucent, Transparent and Transparent to translucent in appearance.