Linarite and Apophyllite KF Optical Properties

Linarite

Apophyllite KF

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1 Optical Properties

1.1 Luster

Sub-Adamantine, Vitreous

Vitreous, Pearly

1.2 Pleochroism

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

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.809-1.8591.530-1.536

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

tetragonal

1.8 Birefringence

0.050Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Linarite and Apophyllite KF Optic Character

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

Similar to their colors, Linarite and Apophyllite KF 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.