Vivianite and Sarcopside Optical Properties

Vivianite

Sarcopside

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Waxy

1.2 Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.560-1.6401.670-1.734

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.054-0.075Not Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Vivianite and Sarcopside Optic Character

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

Similar to their colors, Vivianite and Sarcopside 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, Vivianite is Transparent while Vivianite is Transparent in appearance.