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Malachite
Malachite

Tigers Eye
Tigers Eye



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Malachite
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Tigers Eye

Malachite and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous, Silky, Fibrous
Silky
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Opaque
1.5 Refractive Index
1.655-1.9091.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.254Not Available
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Gemstones of the world (2001) More from other references

Malachite and Tigers Eye Optic Character

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

Malachite and Tigers Eye Transparency

Similar to their colors, Malachite and Tigers Eye 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, Malachite is Opaque while Malachite is Opaque in appearance.