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Rossmanite
Rossmanite

Andalusite
Andalusite



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Rossmanite
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Andalusite

Rossmanite and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
strongly trichroic
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 23 (Overall)
Fluorite Optical Properties
1.4 Transparency
TransparentWebmineral.com, Mineralogy Database (2012)
Transparent, Translucent
1.5 Refractive Index
1.624-1.645
1.627-1.650
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.021
0.009-0.010
1.9 Clarity
TransparentWebmineral.com
Transparent

Rossmanite and Andalusite Optic Character

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

Similar to their colors, Rossmanite and Andalusite 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.

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