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Phlogopite
Phlogopite

Tigers Eye
Tigers Eye



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Phlogopite
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Tigers Eye

Phlogopite and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Silky
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Opaque
1.5 Refractive Index
1.530-1.5731.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.0280-0.0450Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Gemstones of the world (2001) More from other references

Phlogopite and Tigers Eye Optic Character

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

Phlogopite and Tigers Eye Transparency

Similar to their colors, Phlogopite 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, Phlogopite is Not Available while Phlogopite is Not Available in appearance.