Periclase and Rosasite Optical Properties

Periclase

Rosasite

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1 Optical Properties

1.1 Luster

Vitreous

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

NANA

0.007 1

1.4 Transparency

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

Not Available

1.5 Refractive Index

1.735-1.7381.672-1.688

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

TransparentWalter Schumann

Not Available

Periclase and Rosasite Optic Character

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

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Periclase and Rosasite Transparency

Similar to their colors, Periclase 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, Periclase is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Periclase is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.