Bloodstone and Catapleiite Optical Properties

Bloodstone

Catapleiite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Opaque

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

1.5 Refractive Index

1.54-1.551.590-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

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

Opaque

TransparentUlrich Henn and Claudio C. Milisenda

Bloodstone and Catapleiite Optic Character

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

Similar to their colors, Bloodstone 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, Bloodstone is Opaque while Bloodstone is Opaque in appearance.