Augite and Larvikite Optical Properties

Augite

Larvikite

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Pearly

1.2 Pleochroism

Pale green

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.671-1.774Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Augite and Larvikite Optic Character

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

Similar to their colors, Augite and Larvikite 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, Augite is Translucent and Transparent while Augite is Translucent and Transparent in appearance.