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Agate
Agate

Antigorite
Antigorite



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Agate
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Antigorite

Agate and Antigorite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Absent
0.01
Translucent
1.530-1.543
-
Trigonal
0.004
Translucent
 
Waxy, Silky, Resinous, Greasy
pale greenish yellow
0.02
Translucent
1.530-1.575
-
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
-9999
Translucent

Agate and Antigorite Optic Character

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

Agate and Antigorite Transparency

Similar to their colors, Agate 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, Agate is while Agate is in appearance.