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Unakite
Unakite

Axinite
Axinite



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Unakite
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Unakite and Axinite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Strong
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 21 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemstones of the world (2001)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.525
1.656-1.704
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
monoclinic
Triclinic
1.8 Birefringence
Not Available
0.009-0.012
1.9 Clarity
Gemstones of the world (2001)
TransparentUlrich Henn and Claudio C. Milisenda

Unakite and Axinite Optic Character

Unakite and Axinite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Unakite and Axinite 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 Unakite and Axinite 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. Axinite has Biaxial/+ character.

Unakite and Axinite Transparency

Similar to their colors, Unakite and Axinite 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, Unakite is Gemstones of the world (2001) while Unakite is Gemstones of the world (2001) in appearance.