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Rossmanite
Rossmanite

Amethyst
Amethyst



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Rossmanite
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Amethyst

Rossmanite and Amethyst Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWebmineral.com, Mineralogy Database (2012)
Transparent, Transparent to translucent
1.5 Refractive Index
1.624-1.6451.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.0210.009
Achroite
0 0.296
1.9 Clarity
TransparentWebmineral.com
Transparent

Rossmanite and Amethyst Optic Character

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

Rossmanite and Amethyst Transparency

Similar to their colors, Rossmanite 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, Rossmanite is Mineralogy Database (2012) and TransparentWebmineral.com while Rossmanite is Mineralogy Database (2012) and TransparentWebmineral.com in appearance.