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Smithsonite
Smithsonite

Axinite
Axinite



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Axinite

Smithsonite and Axinite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Strong
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
0.02
Rank: 21 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.620-1.850
1.656-1.704
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
0.223-0.227
0.009-0.012
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Smithsonite and Axinite Optic Character

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

Smithsonite and Axinite Transparency

Similar to their colors, Smithsonite 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, Smithsonite is Translucent while Smithsonite is Translucent in appearance.