Opalite look-alikes
Synthetic Opal (often glass or resin)
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Open the appSeveral rocks and minerals can be confused with Opalite. 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
Natural Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Also known as: Precious Opal, Common Opal
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Also known as: Adularia, Selenite (misnomer)
Chalcedony
Cryptocrystalline Quartz (SiO2)
Also known as: Agate, Jasper, Carnelian
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