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Amblygonite
Amblygonite

Cat s Eye
Cat s Eye



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Amblygonite
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Cat s Eye

Amblygonite and Cat s Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
weak to none
Not Available
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
Translucent
1.5 Refractive Index
1.578-1.646
1.744-1.755
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.020-0.030
Not Available
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Amblygonite and Cat s Eye Optic Character

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

Similar to their colors, Amblygonite and Cat s Eye 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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