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Pargasite
Pargasite

Tigers Eye
Tigers Eye



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Pargasite
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Tigers Eye

Pargasite and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Silky
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Opaque
1.5 Refractive Index
1.613-1.6631.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.020Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemstones of the world (2001) More from other references

Pargasite and Tigers Eye Optic Character

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

Similar to their colors, Pargasite and Tigers Eye 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.