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Pectolite
Pectolite

Pumpellyite
Pumpellyite



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Pectolite
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Pumpellyite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Silky
-
0.01
Transparent
1.595-1.645
-
Triclinic
0.028-0.038
Transparent
 
-
-
0.02
-
1.674-1.764
-
monoclinic
0.014-0.016
OpaqueUlrich Henn and Claudio C. Milisenda