Pyrite and Garnet Optical Properties

Pyrite

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

None0.02

0.007 1

1.4 Transparency

OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references

Transparent, Transparent to translucent

1.5 Refractive Index

Not Available1.730-1.895

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Trigonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Transparent

Pyrite and Garnet Optic Character

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

Similar to their colors, Pyrite 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, Pyrite is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli while Pyrite is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli in appearance.