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Amblygonite
Amblygonite

Chlorastrolite
Chlorastrolite



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Amblygonite
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Chlorastrolite

Amblygonite and Chlorastrolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Chatoyant
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
Gems
1.5 Refractive Index
1.578-1.646
1.7
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.020-0.030
0.010
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gems

Amblygonite and Chlorastrolite Optic Character

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

Similar to their colors, Amblygonite and Chlorastrolite 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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