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Amblygonite
Amblygonite

Augelite
Augelite



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Amblygonite
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Augelite

Amblygonite and Augelite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Pearly
1.2 Pleochroism
weak to none
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.578-1.646
1.570-1.591
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
1.8 Birefringence
0.020-0.030
0.020-0.021
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Amblygonite and Augelite Optic Character

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

Amblygonite and Augelite Transparency

Similar to their colors, Amblygonite and Augelite 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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