Sarcopside and Grandidierite Optical Properties

Sarcopside

Grandidierite

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1 Optical Properties

1.1 Luster

Waxy

Vitreous, Pearly

1.2 Pleochroism

Not Available

visible

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentAnthony et al, Handbook of mineralogy (2001)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.670-1.7341.578-1.639

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

Not Available0.037-0.039

0 0.296

1.9 Clarity

TranslucentAnthony et al

Gemmological Tables (2004) More from other references

Sarcopside and Grandidierite Optic Character

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

Similar to their colors, Sarcopside and Grandidierite 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, Sarcopside is Handbook of mineralogy (2001) and TranslucentAnthony et al while Sarcopside is Handbook of mineralogy (2001) and TranslucentAnthony et al in appearance.