Iron-Stained Quartz look-alikes
SiO2 (Quartz) with iron oxides/hydroxides
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Open the appSeveral rocks and minerals can be confused with Iron-Stained Quartz. 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
Citrine
SiO2 (with Fe3+ impurities)
Also known as: Yellow Quartz
Carnelian
SiO2 (cryptocrystalline quartz with iron oxide impurities)
Also known as: Red Agate
Jasper
SiO2 (cryptocrystalline quartz with significant iron oxide/hydroxide inclusions)
Also known as: Opaque Chalcedony
Tiger's Eye
SiO2 (pseudomorph after crocidolite with iron oxide inclusions)
Also known as: Crocodilite
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