Prehnite look-alikes
Prehnite
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Open the appSeveral rocks and minerals can be confused with Prehnite. 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
Smithsonite
ZnCO3
Also known as: Zinc spar
Hemimorphite
Zn4Si2O7(OH)2H2O
Also known as: Calamine (historical, shared with smithsonite)
Chalcedony
SiO2
Also known as: Cryptocrystalline Quartz
Serpentine
Mg3Si2O5(OH)4 (general formula)
Also known as: Serpentinite (rock)
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