Pyrope Spessartine and Rock Crystal Optical Properties

Pyrope Spessartine

Rock Crystal

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

0.020.01

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

1.730-1.8201.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.0270.009

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TransparentWalter Schumann

Pyrope Spessartine and Rock Crystal Optic Character

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

Similar to their colors, Pyrope Spessartine and Rock Crystal 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, Pyrope Spessartine is Gemmological Tables (2004) More from other references while Pyrope Spessartine is Gemmological Tables (2004) More from other references in appearance.