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Natrolite
Natrolite

Grossular
Grossular



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Natrolite
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Grossular

Natrolite and Grossular Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky, Pearly
Greasy, Vitreous
1.2 Pleochroism
NilArthur Thomas
None
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.478-1.4931.730-1.760
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
cubic
1.8 Birefringence
0.012-0.0130.020
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Natrolite and Grossular Optic Character

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

Similar to their colors, Natrolite and Grossular 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.