×

Strontianite
Strontianite

Apatite
Apatite



ADD
Compare
X
Strontianite
X
Apatite

Strontianite and Apatite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

-
Blue stones – strong

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.517-1.6671.628-1.651
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

-99990.002-0.008
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Strontianite and Apatite Optic Character

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

Similar to their colors, Strontianite and Apatite 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.