Iron-stained Quartz on Shale look-alikes
SiO2 (Quartz) with Fe-oxides on Shale
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Open the appSeveral rocks and minerals can be confused with Iron-stained Quartz on Shale. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.
Similar rocks to compare
Jasper
SiO2 (microcrystalline quartz) with iron inclusions
Also known as: Red Jasper, Yellow Jasper
Ironstone
Fe-rich sedimentary rock (e.g., Fe-carbonates, Fe-oxides)
Also known as: Siderite concretions, Hematitic sandstone
Sandstone with Iron Staining
Quartz arenite with Fe-oxide cement/coating
Also known as: Ferruginous Sandstone
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