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Natrolite
Natrolite

Pearl
Pearl



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Natrolite
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Pearl

Natrolite and Pearl Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Silky, Pearly
Pearly
1.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Opaque
1.5 Refractive Index
1.478-1.4931.52-1.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.012-0.0130.156
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Natrolite and Pearl Optic Character

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

Similar to their colors, Natrolite and Pearl 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.