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Catapleiite
Catapleiite

Realgar
Realgar



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Catapleiite
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Realgar

Catapleiite and Realgar Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Nearly colorless to pale golden yellowAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Gems
1.5 Refractive Index
1.590-1.6292.538-2.704
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)
Not Available
1.8 Birefringence
0.0390.166
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gems

Catapleiite and Realgar Optic Character

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

Similar to their colors, Catapleiite and Realgar 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.