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Girasol
Girasol
☒

Vivianite
Vivianite
☒



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Girasol
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Vivianite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
Transparent
1.37-1.52
-
-
-9999
Transparent
 
Vitreous, Pearly
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
0.03
Transparent
1.560-1.640
-
-
0.054-0.075
Transparent

Compare Colorless Gems

Colorless Gems

Oligoclase
Oligoclase
Orthoclase
Orthoclase
Pectolite
Pectolite
Vivianite
Hambergite
Vivianite Vs Hambergite
Vivianite
Herderite
Vivianite Vs Herderite
Vivianite
Hibschite
Vivianite Vs Hibschite

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