×

Malachite
Malachite

Peridot
Peridot



ADD
Compare
X
Malachite
X
Peridot

Malachite and Peridot Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Adamantine, Vitreous, Silky, Fibrous
Vitreous, Greasy
1.2 Pleochroism
Not Available
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Transparent
1.5 Refractive Index
1.655-1.9091.64-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.2540.036
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Malachite and Peridot Optic Character

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

Similar to their colors, Malachite and Peridot 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.