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Apophyllite
Apophyllite

Linarite
Linarite



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Apophyllite
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Linarite

Apophyllite and Linarite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Sub-Adamantine, Vitreous

Pleochroism

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

Dispersion

0.010.05
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.530-1.5431.809-1.859
1 3.25
👆🏻

Optic Character

Uniaxial/-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.000-0.0030.050
0 0.296
👆🏻

Clarity

Transparent
Transparent

Apophyllite and Linarite Optic Character

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

Apophyllite and Linarite Transparency

Similar to their colors, Apophyllite 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, Apophyllite is Transparent and Translucent while Apophyllite is Transparent and Translucent in appearance.