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Pargasite

Adularia
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Pargasite and Adularia Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
TransparentArthur Thomas, Gemstones (2009)
1.5 Refractive Index
1.613-1.663
1.518-1.536
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.020
0.005-0.008
1.9 Clarity
Transparent
TransparentArthur Thomas

Pargasite and Adularia Optic Character

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

Pargasite and Adularia Transparency

Similar to their colors, Pargasite 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, Pargasite is Transparent while Pargasite is Transparent in appearance.