×

Peridot
Peridot

Realgar
Realgar



ADD
Compare
X
Peridot
X
Realgar

Peridot and Realgar Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
Nearly colorless to pale golden yellowAnthony et al
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gems
1.5 Refractive Index
1.64-1.692.538-2.704
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.0360.166
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Peridot and Realgar Optic Character

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

Peridot and Realgar Transparency

Similar to their colors, Peridot and Realgar 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, Peridot is Transparent while Peridot is Transparent in appearance.