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Catapleiite
Catapleiite

Topaz
Topaz



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Catapleiite
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Topaz

Catapleiite and Topaz Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Transparent
1.5 Refractive Index
1.590-1.6291.606-1.644
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
0.0390.008-0.011
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Catapleiite and Topaz Optic Character

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

Similar to their colors, Catapleiite and Topaz 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.