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Mottramite
Mottramite

Amazonite
Amazonite



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Mottramite
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Amazonite

Mottramite and Amazonite Optical Properties

1 Optical Properties
1.1 Luster
Greasy
Vitreous
1.2 Pleochroism
Visible X=Y= canary yellow to greenish yellow
WeakMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent, Translucent to opaque
1.5 Refractive Index
2.1701.522-1.530
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.1500.008-0.010
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Mottramite and Amazonite Optic Character

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

Mottramite and Amazonite Transparency

Similar to their colors, Mottramite 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, Mottramite is Not Available while Mottramite is Not Available in appearance.