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Montebrasite
Montebrasite

Amazonite
Amazonite



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Montebrasite
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Amazonite

Montebrasite and Amazonite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
WeakMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Translucent, Translucent to opaque
1.5 Refractive Index
1.578-1.6461.522-1.530
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.020-0.0300.008-0.010
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Translucent

Montebrasite and Amazonite Optic Character

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

Montebrasite and Amazonite Transparency

Similar to their colors, Montebrasite 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, Montebrasite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Montebrasite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.