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Actinolite
Actinolite

Ludlamite
Ludlamite



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Actinolite
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Ludlamite

Actinolite and Ludlamite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

moderate
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

TransparentUlrich Henn and Claudio C. Milisenda
-

Refractive Index

1.613-1.6281.653-1.693
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.0250-0.02700.038-0.044
0 0.296
👆🏻

Clarity

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

Actinolite and Ludlamite Optic Character

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

Actinolite and Ludlamite Transparency

Similar to their colors, Actinolite and Ludlamite 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, Actinolite is TransparentUlrich Henn and Claudio C. Milisenda while Actinolite is TransparentUlrich Henn and Claudio C. Milisenda in appearance.