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Leucite
Leucite

Hardystonite
Hardystonite



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Leucite
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Hardystonite

Leucite and Hardystonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Resinous, Greasy
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Handbook of mineralogy (2001)
1.5 Refractive Index
1.504-1.5101.672
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
tetragonal
1.8 Birefringence
0.001Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Handbook of mineralogy (2001)

Leucite and Hardystonite Optic Character

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

Leucite and Hardystonite Transparency

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