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Rossmanite
Rossmanite

Star Sapphire
Star Sapphire



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Rossmanite
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Star Sapphire

Rossmanite and Star Sapphire Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWebmineral.com, Mineralogy Database (2012)
Transparent, Translucent
1.5 Refractive Index
1.624-1.6451.758-1.780
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.0210.007-0.010
Achroite
0 0.296
1.9 Clarity
TransparentWebmineral.com
Transparent

Rossmanite and Star Sapphire Optic Character

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

Similar to their colors, Rossmanite and Star Sapphire 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.