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Thomsonite
Thomsonite

Amethyst
Amethyst



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Thomsonite
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Amethyst

Thomsonite and Amethyst Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
None
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Transparent to translucent
1.5 Refractive Index
1.510-1.5501.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.015-0.0200.009
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Thomsonite and Amethyst Optic Character

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

Similar to their colors, Thomsonite and Amethyst 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.