Sulphur and Garnet Optical Properties

Sulphur

Garnet

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Adamantine, Vitreous, Adamantine

1.2 Pleochroism

Not Available

None

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Transparent, Transparent to translucent

1.5 Refractive Index

1.958-2.2451.730-1.895

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

0.291Not Available

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Transparent

Sulphur and Garnet Optic Character

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

Similar to their colors, Sulphur and Garnet 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, Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann while Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.