Antigorite and Linarite Optical Properties

Antigorite

Linarite

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Sub-Adamantine, Vitreous

1.2 Pleochroism

pale greenish yellow.

X = pale blue; Y = blue; Z = Prussian blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Transparent

1.5 Refractive Index

1.530-1.5751.809-1.859

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

monoclinic

1.8 Birefringence

Not Available0.050

0 0.296

1.9 Clarity

Translucent

Transparent

Antigorite and Linarite Optic Character

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

Similar to their colors, Antigorite and Linarite 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.