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Catapleiite
Catapleiite

Nepouite
Nepouite



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Catapleiite
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Nepouite

Catapleiite and Nepouite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Waxy, Pearly
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Not Available
1.5 Refractive Index
1.590-1.6291.600-1.630
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Orthorhombic
1.8 Birefringence
0.039Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Catapleiite and Nepouite Optic Character

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

Catapleiite and Nepouite Transparency

Similar to their colors, Catapleiite and Nepouite 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, Catapleiite is Gemmological Tables (2004) and TransparentUlrich Henn and Claudio C. Milisenda while Catapleiite is Gemmological Tables (2004) and TransparentUlrich Henn and Claudio C. Milisenda in appearance.