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Linarite
Linarite

Alabaster
Alabaster



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Linarite
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Alabaster

Linarite and Alabaster Optical Properties

Optical Properties

Luster

Sub-Adamantine, Vitreous
-

Pleochroism

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

Dispersion

0.05-
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.809-1.8591.520-1.530
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.0500.010
0 0.296
👆🏻

Clarity

Transparent
Translucent

Linarite and Alabaster Optic Character

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

Linarite and Alabaster Transparency

Similar to their colors, Linarite and Alabaster 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.