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Ludlamite
Ludlamite

Orthoclase
Orthoclase



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Ludlamite
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Orthoclase

Ludlamite and Orthoclase Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

-
colorless.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.653-1.6931.518-1.536
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.038-0.0440.0050-0.0060
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Ludlamite and Orthoclase Optic Character

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

Similar to their colors, Ludlamite and Orthoclase 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.