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Amazonite
Amazonite

Erythrite
Erythrite



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Amazonite
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Erythrite

Amazonite and Erythrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Pearly
1.2 Pleochroism
WeakMichael O’Donoghue
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Not Available
1.5 Refractive Index
1.522-1.5301.626-1.629
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
monoclinic
1.8 Birefringence
0.008-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Amazonite and Erythrite Optic Character

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

Similar to their colors, Amazonite and Erythrite 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.