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Rossmanite
Rossmanite

Malachite
Malachite



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Rossmanite
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Malachite

Rossmanite and Malachite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine, Vitreous, Silky, Fibrous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWebmineral.com, Mineralogy Database (2012)
Opaque
1.5 Refractive Index
1.624-1.6451.655-1.909
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.0210.254
Achroite
0 0.296
1.9 Clarity
TransparentWebmineral.com
Gemmological Tables (2004) More from other references

Rossmanite and Malachite Optic Character

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

Similar to their colors, Rossmanite and Malachite 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.