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Phosphophyllite
Phosphophyllite

Kornerupine
Kornerupine



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Phosphophyllite
X
Kornerupine

Phosphophyllite and Kornerupine Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
X = colorless to green; Y = colorless

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.595-1.6211.660-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0210.012-0.017
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Phosphophyllite and Kornerupine Optic Character

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

Phosphophyllite and Kornerupine Transparency

Similar to their colors, Phosphophyllite 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, Phosphophyllite is while Phosphophyllite is in appearance.