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Sunstone
Sunstone

Amazonite
Amazonite



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Sunstone
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Amazonite

Sunstone and Amazonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak or absentWalter Schumann
WeakMichael O’Donoghue
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Translucent, Translucent to opaque
1.5 Refractive Index
1.53-1.551.522-1.530
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Triclinic
1.8 Birefringence
0.007-0.0100.008-0.010
Achroite
0 0.296
1.9 Clarity
Transparent to translucent
Translucent

Sunstone and Amazonite Optic Character

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

Sunstone and Amazonite Transparency

Similar to their colors, Sunstone and Amazonite 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, Sunstone is Translucent, Transparent and Transparent to translucent while Sunstone is Translucent, Transparent and Transparent to translucent in appearance.