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Siderite
Siderite
☒

Goshenite
Goshenite
☒



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Siderite
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Goshenite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly
-
0.04
Transparent, Translucent
1.633-1.875
-
Trigonal
0.242
Transparent
 
Vitreous
-
0.01
Transparent
1.562-1.615
-
Hexagonal
0.003-0.010
Transparent