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Jacobsite
Jacobsite

Phosphophyllite
Phosphophyllite



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Jacobsite
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Phosphophyllite

Jacobsite and Phosphophyllite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

-99991.595-1.621
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.021
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Jacobsite and Phosphophyllite Optic Character

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

Jacobsite and Phosphophyllite Transparency

Similar to their colors, Jacobsite and Phosphophyllite 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, Jacobsite is Translucent while Jacobsite is Translucent in appearance.