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Liddicoatite
Liddicoatite

Amblygonite
Amblygonite



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Liddicoatite
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Amblygonite

Liddicoatite and Amblygonite Optical Properties

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

Liddicoatite and Amblygonite Optic Character

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

Liddicoatite and Amblygonite Transparency

Similar to their colors, Liddicoatite and Amblygonite 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, Liddicoatite is Transparent while Liddicoatite is Transparent in appearance.

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