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Jet lignite
Jet lignite
☒

Pietersite
Pietersite
☒



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Jet lignite
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Pietersite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.30-1.34
-
None
2.5
C
 
-
-
-
-9999
-
None
5
H2O+Fe2+,H3O2+Fe3+Si4O12

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