Paraiba and Augite Optical Properties

Paraiba

Augite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Resinous

1.2 Pleochroism

Not Available

Pale green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

1.618-1.6431.671-1.774

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Transparent

Paraiba and Augite Optic Character

Paraiba and Augite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Paraiba and Augite 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 Paraiba and Augite 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.

Compare Blue Gemstones

Paraiba Vs Anatase

Paraiba Vs Andean Opal

Paraiba Vs Ammolite

Paraiba and Augite Transparency

Similar to their colors, Paraiba and Augite 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, Paraiba is Not Available while Paraiba is Not Available in appearance.