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Lawsonite
Lawsonite

Aegirine
Aegirine



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Lawsonite
X
Aegirine

Lawsonite and Aegirine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Resinous
1.2 Pleochroism
Weak
X = emerald green
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.672-1.6761.720-1.778
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.019-0.0210.037-0.061
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Lawsonite and Aegirine Optic Character

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

Lawsonite and Aegirine Transparency

Similar to their colors, Lawsonite and Aegirine 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.