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Amazonite
Amazonite

Sunstone
Sunstone



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Amazonite
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Sunstone

Amazonite and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
WeakMichael O’Donoghue
Weak or absentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.522-1.5301.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Triclinic
1.8 Birefringence
0.008-0.0100.007-0.010
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent to translucent

Amazonite and Sunstone Optic Character

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

Amazonite and Sunstone Transparency

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