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Linarite
Linarite

Apophyllite
Apophyllite



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Linarite
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Apophyllite

Linarite and Apophyllite Optical Properties

Optical Properties

Luster

Sub-Adamantine, Vitreous
Vitreous, Pearly

Pleochroism

X = pale blue; Y = blue; Z = Prussian blue
Dichroic (colorless)

Dispersion

0.050.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.809-1.8591.530-1.543
1 3.25
👆🏻

Optic Character

-
Uniaxial/-

Crystal System

monoclinic
tetragonal

Birefringence

0.0500.000-0.003
0 0.296
👆🏻

Clarity

Transparent
Transparent

Linarite and Apophyllite Optic Character

Linarite and Apophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Linarite and Apophyllite 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 Apophyllite 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. Apophyllite has Uniaxial/- character.

Linarite and Apophyllite Transparency

Similar to their colors, Linarite and Apophyllite 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.