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Prehnite
Prehnite

Narsarsukite
Narsarsukite



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Prehnite
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Narsarsukite

Prehnite and Narsarsukite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
Weak; O = colorless to yellow; E = colorless to honey-yellow
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.611-1.6731.610-1.647
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
tetragonal
1.8 Birefringence
0.021-0.0330.021
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent

Prehnite and Narsarsukite Optic Character

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

Prehnite and Narsarsukite Transparency

Similar to their colors, Prehnite and Narsarsukite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.