Serpentine and Phosgenite Optical Properties

Serpentine

Phosgenite

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Silky

Adamantine

1.2 Pleochroism

AbsentWalter Schumann

Weakly pleochroic with O reddish and E greenish in thick sections.

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.560-1.5712.117-2.145

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

tetragonal

1.8 Birefringence

0.008-0.0140.027

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Serpentine and Phosgenite Optic Character

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

Similar to their colors, Serpentine and Phosgenite 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, Serpentine is Translucent while Serpentine is Translucent in appearance.