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Amazonite
Amazonite

Mottramite
Mottramite



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Amazonite
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Mottramite

Amazonite and Mottramite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy
1.2 Pleochroism
WeakMichael O’Donoghue
Visible X=Y= canary yellow to greenish yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Not Available
1.5 Refractive Index
1.522-1.5302.170
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.008-0.0100.150
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Amazonite and Mottramite Optic Character

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

Similar to their colors, Amazonite and Mottramite 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.