Pyrite and Rosasite Optical Properties

Pyrite

Rosasite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

Silky, Vitreous

1.2 Pleochroism

Not Available

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

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

Not Available

1.5 Refractive Index

Not Available1.672-1.688

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

monoclinic

1.8 Birefringence

Not Available0.139-0.143

0 0.296

1.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Not Available

Pyrite and Rosasite Optic Character

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

Compare Yellow Gemstones

Pyrite Vs Rubellite

Pyrite Vs Rutilated Quartz

Pyrite Vs Sapphire

Pyrite and Rosasite Transparency

Similar to their colors, Pyrite and Rosasite 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.