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Thomsonite
Thomsonite

Peridot
Peridot



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Thomsonite and Peridot Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Greasy
1.2 Pleochroism
NilArthur Thomas
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 18 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.510-1.550
1.64-1.69
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.015-0.020
0.036
1.9 Clarity
Translucent
Transparent

Thomsonite and Peridot Optic Character

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

Thomsonite and Peridot Transparency

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