×

Pearl
Pearl

Natrolite
Natrolite



ADD
Compare
X
Pearl
X
Natrolite

Pearl and Natrolite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Pearly
Vitreous, Silky, Pearly
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Transparent, Translucent
1.5 Refractive Index
1.52-1.661.478-1.493
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.1560.012-0.013
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pearl and Natrolite Optic Character

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

Pearl and Natrolite Transparency

Similar to their colors, Pearl and Natrolite 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.