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Pyrophyllite
Pyrophyllite

Peridot
Peridot



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Pyrophyllite
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Peridot

Pyrophyllite and Peridot Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Greasy
1.2 Pleochroism
NilArthur Thomas
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.534-1.6011.64-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.0500.036
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pyrophyllite and Peridot Optic Character

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

Pyrophyllite and Peridot Transparency

Similar to their colors, Pyrophyllite 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, Pyrophyllite is Translucent while Pyrophyllite is Translucent in appearance.