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Amblygonite
Amblygonite

Andesine
Andesine



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Amblygonite
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Andesine

Amblygonite and Andesine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
weak to none
colorless.
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
0.70
Rank: 2 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.578-1.646
1.543-1.564
1.6 Optic Character
Biaxial/+
Biaxial/+
1.7 Crystal System
Triclinic
Triclinic
1.8 Birefringence
0.020-0.030
0.007-0.011
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Amblygonite and Andesine Optic Character

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

Amblygonite and Andesine Transparency

Similar to their colors, Amblygonite and Andesine 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, Amblygonite is Gemmological Tables (2004) More from other references while Amblygonite is Gemmological Tables (2004) More from other references in appearance.

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