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Lawsonite
Lawsonite

Amblygonite
Amblygonite



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Lawsonite
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Amblygonite

Lawsonite and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Pearly
1.2 Pleochroism
Weak
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
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.672-1.676
1.578-1.646
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.019-0.021
0.020-0.030
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Lawsonite and Amblygonite Optic Character

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

Lawsonite and Amblygonite Transparency

Similar to their colors, Lawsonite 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, Lawsonite is Not Available while Lawsonite is Not Available in appearance.

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