Linarite and Hibschite Optical Properties

Linarite

Hibschite

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1 Optical Properties

1.1 Luster

Sub-Adamantine, Vitreous

Vitreous

1.2 Pleochroism

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

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Semitransparent

1.5 Refractive Index

1.809-1.859Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d

1.8 Birefringence

0.050Not Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Linarite and Hibschite Optic Character

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

Similar to their colors, Linarite and Hibschite 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.