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Montebrasite
Montebrasite

Amethyst
Amethyst



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Montebrasite
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Amethyst

Montebrasite and Amethyst Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.01
Rank: 27 (Overall)
Fluorite Optical Properties
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent, Transparent to translucent
1.5 Refractive Index
1.578-1.646
1.544-1.553
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.020-0.030
0.009
1.9 Clarity
TransparentWalter Schumann
Transparent

Montebrasite and Amethyst Optic Character

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

Similar to their colors, Montebrasite and Amethyst 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.

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