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Pyrophyllite
Pyrophyllite

Kornerupine
Kornerupine



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Pyrophyllite
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Kornerupine

Pyrophyllite and Kornerupine Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
X = colorless to green; Y = colorless
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.534-1.6011.660-1.685
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.0500.012-0.017
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Pyrophyllite and Kornerupine Optic Character

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

Pyrophyllite and Kornerupine Transparency

Similar to their colors, Pyrophyllite and Kornerupine 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, Pyrophyllite is Translucent while Pyrophyllite is Translucent in appearance.