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Caledonite
Caledonite

Unakite
Unakite



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Caledonite
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Unakite

Caledonite and Unakite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemstones of the world (2001)
1.5 Refractive Index
1.818-1.9091.525
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.091Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemstones of the world (2001)

Caledonite and Unakite Optic Character

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

Similar to their colors, Caledonite and Unakite 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.