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Nepouite
Nepouite

Astrophyllite
Astrophyllite



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Nepouite
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Astrophyllite

Nepouite and Astrophyllite Optical Properties

1 Optical Properties
1.1 Luster
Waxy, Pearly
Greasy, Pearly
1.2 Pleochroism
Weak
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
1.600-1.6301.678-1.758
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
Not Available0.050
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Nepouite and Astrophyllite Optic Character

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

Nepouite and Astrophyllite Transparency

Similar to their colors, Nepouite and Astrophyllite 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, Nepouite is Not Available while Nepouite is Not Available in appearance.