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Sphene
Sphene

Eosphorite
Eosphorite



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Sphene
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Eosphorite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.05
-
1.84-2.11
-
monoclinic
-9999
-
 
Vitreous, Resinous
Visible: X = yellow; Y = pink; Z = pale pink to colorless
0.01
Transparent
1.639-1.672
-
Orthorhombic
0.029-0.032
Transparent