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Thomsonite
Thomsonite

Adularia
Adularia



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Thomsonite
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Adularia

Thomsonite and Adularia Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentArthur Thomas, Gemstones (2009)
1.5 Refractive Index
1.510-1.5501.518-1.536
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.015-0.0200.005-0.008
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentArthur Thomas

Thomsonite and Adularia Optic Character

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

Similar to their colors, Thomsonite and Adularia 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.