Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Banded-ferruginous chert

A rock subtype
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00337930017272472819255.jpg
Banded-ferruginous chert

Mesabi Range, Minnesota, USA
00337930017272472819255.jpg
Banded-ferruginous chert

Mesabi Range, Minnesota, USA
00337930017272472819255.jpg
Banded-ferruginous chert

Mesabi Range, Minnesota, USA
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About Banded-ferruginous chertHide

A silica-rich rock, part of the banded iron formation.


Unique IdentifiersHide

Mindat ID:
49384
Long-form identifier:
mindat:1:1:49384:4

Classification of Banded-ferruginous chertHide

Mineralogy of Banded-ferruginous chertHide

Essential minerals - these are minerals that are required within the classification of this rock:
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
HematiteFe2O3
MagnetiteFe2+Fe3+2O4

Synonyms of Banded-ferruginous chertHide

Internet Links for Banded-ferruginous chertHide

References for Banded-ferruginous chertHide

Reference List:
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