Bowenite and Catapleiite Optical Properties

Bowenite

Catapleiite

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)

1.5 Refractive Index

1.530-1.5751.590-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

1.8 Birefringence

Not Available0.039

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

TransparentUlrich Henn and Claudio C. Milisenda

Bowenite and Catapleiite Optic Character

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

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Bowenite and Catapleiite Transparency

Similar to their colors, Bowenite and Catapleiite 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, Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.