Shattuckite and Antigorite Optical Properties

Shattuckite

Antigorite

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1 Optical Properties

1.1 Luster

Silky

Waxy, Silky, Resinous, Greasy

1.2 Pleochroism

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

pale greenish yellow.

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

1.5 Refractive Index

1.752-1.8151.530-1.575

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Monoclinic Domatic H-M Symbol (m) Space Group: Cm

1.8 Birefringence

0.063Not Available

0 0.296

1.9 Clarity

Translucent

Shattuckite and Antigorite Optic Character

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

Similar to their colors, Shattuckite and Antigorite 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, Shattuckite is Translucent while Shattuckite is Translucent in appearance.