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Amethyst
Amethyst

Musgravite
Musgravite



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Amethyst
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Musgravite

Amethyst and Musgravite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Gemmological Tables (2004)
1.5 Refractive Index
1.544-1.5531.719-1.739
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.0090.014-0.016
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Amethyst and Musgravite Optic Character

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

Amethyst and Musgravite Transparency

Similar to their colors, Amethyst and Musgravite 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.