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Peridot
Peridot

Pectolite
Pectolite



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Peridot
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Pectolite

Peridot and Pectolite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Greasy
Silky
1.2 Pleochroism
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
NilArthur Thomas
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.64-1.691.595-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.0360.028-0.038
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Peridot and Pectolite Optic Character

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

Similar to their colors, Peridot and Pectolite 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.