Antigorite and Apache Tear Optical Properties

Antigorite

Apache Tear

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Not Available

1.2 Pleochroism

pale greenish yellow.

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Not Available

1.5 Refractive Index

1.530-1.575Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

Amorphous

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Translucent

Not Available

Antigorite and Apache Tear Optic Character

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

Similar to their colors, Antigorite and Apache Tear 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.