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Spodumene
Spodumene

Apophyllite
Apophyllite



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Spodumene
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Apophyllite

Spodumene and Apophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Strong in kunzite: α-purple
Dichroic (colorless)
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.657-1.6811.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
monoclinic
tetragonal
1.8 Birefringence
0.014-0.0180.000-0.003
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Spodumene and Apophyllite Optic Character

Spodumene and Apophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Spodumene and Apophyllite 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 Apophyllite 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. Apophyllite has Uniaxial/- character.

Spodumene and Apophyllite Transparency

Similar to their colors, Spodumene and Apophyllite 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.