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Strontianite
Strontianite

Ludlamite
Ludlamite



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Strontianite
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Ludlamite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy
-
0.04
Transparent
1.517-1.667
-
-
-9999
Transparent
 
Vitreous, Pearly
-
0.02
-
1.653-1.693
-
monoclinic
0.038-0.044
TransparentUlrich Henn and Claudio C. Milisenda