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Caledonite
Caledonite

Antigorite
Antigorite



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Caledonite
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Antigorite

Caledonite and Antigorite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Weak
pale greenish yellow.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.818-1.9091.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
1.8 Birefringence
0.091Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Caledonite and Antigorite Optic Character

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

Caledonite and Antigorite Transparency

Similar to their colors, Caledonite 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, Caledonite is Transparent while Caledonite is Transparent in appearance.