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Ludlamite
Ludlamite

Apophyllite KF
Apophyllite KF



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Ludlamite
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Apophyllite KF

Ludlamite and Apophyllite KF Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.653-1.6931.530-1.536
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.038-0.044-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Ludlamite and Apophyllite KF Optic Character

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

Ludlamite and Apophyllite KF Transparency

Similar to their colors, Ludlamite 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, Ludlamite is while Ludlamite is in appearance.