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Peridot
Peridot

Pyrargyrite
Pyrargyrite



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Pyrargyrite

Peridot and Pyrargyrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Adamantine
1.2 Pleochroism
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
Distinct
1.3 Dispersion
Albite Optical ..
0.02
Rank: 18 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.64-1.69
2.881-3.084
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.036
0.203
1.9 Clarity
Transparent
Translucent

Peridot and Pyrargyrite Optic Character

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

Similar to their colors, Peridot and Pyrargyrite 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.