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Rossmanite
Rossmanite

Brookite
Brookite



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Rossmanite
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Brookite

Rossmanite and Brookite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
Very weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWebmineral.com, Mineralogy Database (2012)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.624-1.6452.583-2.741
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.0210.117
Achroite
0 0.296
1.9 Clarity
TransparentWebmineral.com
Gemmological Tables (2004) More from other references

Rossmanite and Brookite Optic Character

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

Similar to their colors, Rossmanite and Brookite 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.