Gedrite and Linarite Optical Properties

Gedrite

Linarite

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1 Optical Properties

1.1 Luster

Fibrous, Vitreous

Sub-Adamantine, Vitreous

1.2 Pleochroism

Weak to moderate

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.625-1.7181.809-1.859

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

monoclinic

1.8 Birefringence

Not Available0.050

0 0.296

1.9 Clarity

Transparent

Gedrite and Linarite Optic Character

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

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