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Kornerupine
Kornerupine

Phosphophyllite
Phosphophyllite



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Kornerupine
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Phosphophyllite

Kornerupine and Phosphophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
X = colorless to green; Y = colorless
NilArthur Thomas
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.660-1.6851.595-1.621
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.012-0.0170.021
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Kornerupine and Phosphophyllite Optic Character

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

Kornerupine and Phosphophyllite Transparency

Similar to their colors, Kornerupine and Phosphophyllite 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, Kornerupine is Gemmological Tables (2004) More from other references while Kornerupine is Gemmological Tables (2004) More from other references in appearance.