Linarite and Pearl Optical Properties

Linarite

Pearl

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1 Optical Properties

1.1 Luster

Sub-Adamantine, Vitreous

Pearly

1.2 Pleochroism

X = pale blue; Y = blue; Z = Prussian blue

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent

Translucent, Opaque

1.5 Refractive Index

1.809-1.8591.52-1.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.0500.156

0 0.296

1.9 Clarity

Transparent

Translucent

Linarite and Pearl Optic Character

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

Similar to their colors, Linarite and Pearl 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, Linarite is Transparent while Linarite is Transparent in appearance.