Pyrite and Rutile Optical Properties

Pyrite

Rutile

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1 Optical Properties

1.1 Luster

Not Available

Adamantine

1.2 Pleochroism

Not Available

Weak to distinct brownish red-green-yellow

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

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

Transparent, Translucent

1.5 Refractive Index

Not Available2.609-2.903

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

tetragonal

1.8 Birefringence

Not Available0.296

0 0.296

1.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Transparent

Pyrite and Rutile Optic Character

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

Similar to their colors, Pyrite and Rutile 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.