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Strontianite
Strontianite

Actinolite
Actinolite



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Strontianite
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Actinolite

Strontianite and Actinolite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

-
moderate

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Refractive Index

1.517-1.6671.613-1.628
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.0250-0.0270
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Strontianite and Actinolite Optic Character

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

Strontianite and Actinolite Transparency

Similar to their colors, Strontianite and Actinolite 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, Strontianite is Transparent while Strontianite is Transparent in appearance.