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Malachite
Malachite

Morganite
Morganite



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Malachite
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Morganite

Malachite and Morganite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous, Silky, Fibrous
Vitreous
1.2 Pleochroism
Not Available
Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.655-1.9091.573-1.600
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Hexagonal
1.8 Birefringence
0.2540.005-0.009
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent to translucent

Malachite and Morganite Optic Character

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

Similar to their colors, Malachite and Morganite 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.