AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Minnesota > Magnetite with siliceous banding (Taconite formation)

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Magnetite with siliceous banding (Taconite formation) from Mesabi Range, Minnesota

 
Magnetite with siliceous banding (Taconite formation) from Mesabi Range, Minnesota

DESCRIPTION:No. 40640
Mineral:Magnetite with siliceous banding (Taconite formation)
Locality:Mesabi Range, Minnesota
Description:Banded formation known as taconite - the primary iron ore from the Mesabi Range. The dark metallic layers are magnetite, with deep-red siliceous chert between. One face was polished to highlight the banded formation. Ex. David Trevas
Overall Size:17x11x1.5 cm
Crystals:
Archived: For reference only

 

 

 

 

 

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