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Spodumene
Spodumene

Amblygonite
Amblygonite



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Spodumene
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Amblygonite

Spodumene and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Strong in kunzite: α-purple
weak to none
1.3 Dispersion
0.020.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.657-1.6811.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
monoclinic
Triclinic
1.8 Birefringence
0.014-0.0180.020-0.030
Achroite
0 0.296
1.9 Clarity
Gems
TransparentUlrich Henn and Claudio C. Milisenda

Spodumene and Amblygonite Optic Character

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

Spodumene and Amblygonite Transparency

Similar to their colors, Spodumene 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, Spodumene is Transparent while Spodumene is Transparent in appearance.