Kornerupine and Hollandite Optical Properties

Kornerupine

Hollandite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

X = colorless to green; Y = colorless

Weak.

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Not Available

1.5 Refractive Index

1.660-1.685Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

monoclinic

1.8 Birefringence

0.012-0.017Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Not Available

Kornerupine and Hollandite Optic Character

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

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Kornerupine and Hollandite Transparency

Similar to their colors, Kornerupine and Hollandite 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.