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Pargasite
Pargasite

Fibrolite
Fibrolite



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Pargasite
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Fibrolite

Pargasite and Fibrolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
DistinctArthur Thomas
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.613-1.6631.658-1.678
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.020Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Pargasite and Fibrolite Optic Character

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

Similar to their colors, Pargasite and Fibrolite 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.