Antigorite and Shattuckite Optical Properties

Antigorite

Shattuckite

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Silky

1.2 Pleochroism

pale greenish yellow.

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

1.5 Refractive Index

1.530-1.5751.752-1.815

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

Orthorhombic

1.8 Birefringence

Not Available0.063

0 0.296

1.9 Clarity

Translucent

Antigorite and Shattuckite Optic Character

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

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