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Malachite
Malachite

Hemimorphite
Hemimorphite



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Malachite and Hemimorphite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous, Silky, Fibrous
Vitreous, Adamantine, Silky
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.02
Rank: 18 (Overall)
Fluorite Optical Properties
1.4 Transparency
Opaque
Transparent, Translucent
1.5 Refractive Index
1.655-1.909
1.614-1.636
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.254
0.022
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Malachite and Hemimorphite Optic Character

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

Similar to their colors, Malachite and Hemimorphite 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.