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Natrolite
Natrolite

Lazulite
Lazulite



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Natrolite
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Lazulite

Natrolite and Lazulite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky, Pearly
Not Available
1.2 Pleochroism
NilArthur Thomas
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.478-1.4931.604-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.012-0.0130.031-0.036
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Natrolite and Lazulite Optic Character

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

Natrolite and Lazulite Transparency

Similar to their colors, Natrolite and Lazulite 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, Natrolite is Translucent and Transparent while Natrolite is Translucent and Transparent in appearance.