Pyrite and Rubellite Optical Properties

Pyrite

Rubellite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

Strong: dark red pinkish-redHerve Nicolas Lazzarelli

1.3 Dispersion

None0.02

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 Available1.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Not Available

1.8 Birefringence

Not Available0.014-0.040

0 0.296

1.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Transparent

Pyrite and Rubellite Optic Character

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

Similar to their colors, Pyrite and Rubellite 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.