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Aegirine
Aegirine

Spodumene
Spodumene



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Aegirine
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Spodumene

Aegirine and Spodumene Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
X = emerald green
Strong in kunzite: α-purple
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.720-1.7781.657-1.681
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.037-0.0610.014-0.018
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Gems

Aegirine and Spodumene Optic Character

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

Aegirine and Spodumene Transparency

Similar to their colors, Aegirine and Spodumene 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, Aegirine is Gemmological Tables (2004) More from other references while Aegirine is Gemmological Tables (2004) More from other references in appearance.