Variscite and Pyrope Spessartine Optical Properties

Variscite

Pyrope Spessartine

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1 Optical Properties

1.1 Luster

Vitreous, Waxy

Not Available

1.2 Pleochroism

MissingWalter Schumann

Not Available

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Translucent, Opaque . May be translucent when backlit on the edges.

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.560-1.5941.730-1.820

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.0310.027

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Variscite and Pyrope Spessartine Optic Character

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

Similar to their colors, Variscite and Pyrope Spessartine 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, Variscite is Opaque . May be translucent when backlit on the edges. and Translucent while Variscite is Opaque . May be translucent when backlit on the edges. and Translucent in appearance.