Hardystonite and Leucite Optical Properties

Hardystonite

Leucite

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1 Optical Properties

1.1 Luster

Vitreous, Resinous, Greasy

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Handbook of mineralogy (2001)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.6721.504-1.510

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

1.8 Birefringence

Not Available0.001

0 0.296

1.9 Clarity

Handbook of mineralogy (2001)

TransparentUlrich Henn and Claudio C. Milisenda

Hardystonite and Leucite Optic Character

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

Similar to their colors, Hardystonite and Leucite 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, Hardystonite is Handbook of mineralogy (2001) while Hardystonite is Handbook of mineralogy (2001) in appearance.