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Adularia
Adularia

Verdelite
Verdelite



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Adularia
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Verdelite

Adularia and Verdelite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Strong: dark green yellow
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentArthur Thomas, Gemstones (2009)
Transparent, Translucent
1.5 Refractive Index
1.518-1.5361.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.005-0.0080.014-0.040
Achroite
0 0.296
1.9 Clarity
TransparentArthur Thomas
Transparent

Adularia and Verdelite Optic Character

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

Adularia and Verdelite Transparency

Similar to their colors, Adularia and Verdelite 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, Adularia is Gemstones (2009) and TransparentArthur Thomas while Adularia is Gemstones (2009) and TransparentArthur Thomas in appearance.