Dendritic Opal look-alikes
Opal (SiO2·nH2O) with manganese dendrites
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Open the appSeveral rocks and minerals can be confused with Dendritic Opal. 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
Dendritic Agate
SiO2
Also known as: Tree Agate, Moss Agate (though Moss Agate often has green inclusions)
Picture Jasper
SiO2
Also known as: Scenic Jasper
Dendritic Chalcedony
SiO2
Also known as: N/A
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