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Spodumene
Spodumene

Phosphosiderite
Phosphosiderite



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Spodumene
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Phosphosiderite

Spodumene and Phosphosiderite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Strong in kunzite: α-purple
0.02
Transparent
1.657-1.681
-
monoclinic
0.014-0.018
-
 
Vitreous
Pale rose-red carmine-red colorlessAnthony et al
0.04
Transparent
1.692-1.739
-
-
0.240
Transparent

Spodumene and Phosphosiderite Optic Character

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

Spodumene and Phosphosiderite Transparency

Similar to their colors, Spodumene and Phosphosiderite 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 while Spodumene is in appearance.