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Eosphorite
Eosphorite

Bustamite
Bustamite



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Eosphorite
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Bustamite

Eosphorite and Bustamite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

Visible: X = yellow; Y = pink; Z = pale pink to colorless
Weak

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.639-1.6721.662-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Triclinic

Birefringence

0.029-0.0320.013-0.015
0 0.296
👆🏻

Clarity

Transparent
Transparent

Eosphorite and Bustamite Optic Character

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

Eosphorite and Bustamite Transparency

Similar to their colors, Eosphorite and Bustamite 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, Eosphorite is Transparent while Eosphorite is Transparent in appearance.