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Magnetite
Magnetite
☒

Petrified Wood
Petrified Wood
☒



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Magnetite
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Petrified Wood
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
5.2
Uneven, Conchoidal
None
5.5-6.5
Fe 3O 4Ulrich Henn and Claudio C.
 
-
-
-
2.58-2.91
Uneven
None
7
SiO2