Augite and Shattuckite Optical Properties

Augite

Shattuckite

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Silky

1.2 Pleochroism

Pale green

X = very pale blue; Y = pale blue; Z = deep blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Translucent

1.5 Refractive Index

1.671-1.7741.752-1.815

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

Orthorhombic

1.8 Birefringence

Not Available0.063

0 0.296

1.9 Clarity

Transparent

Translucent

Augite and Shattuckite Optic Character

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

Similar to their colors, Augite and Shattuckite 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.