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Achroite
Achroite

Strontianite
Strontianite



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Achroite
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Strontianite

Achroite and Strontianite Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.614-1.6661.517-1.667
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.014-0.040-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Achroite and Strontianite Optic Character

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

Achroite and Strontianite Transparency

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