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Catapleiite
Catapleiite

Bastnasite
Bastnasite



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Catapleiite
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Bastnasite

Catapleiite and Bastnasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy, Pearly
1.2 Pleochroism
Not Available
Faint
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.590-1.6291.717-1.722
Agate Opal
1 3.25
1.4 Optic Character
Not Available
Not Available
1.6 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Hexagonal
1.7 Birefringence
0.0390.100
Achroite
0 0.296
1.10 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Catapleiite and Bastnasite Optic Character

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

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