Amethyst and Fluorite look-alikes
Quartz (Amethyst variety) and Fluorite
Got a photo? Identify rocks instantly with the Rockby app
Open the appSeveral rocks and minerals can be confused with Amethyst and Fluorite. 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
Purple Quartz
Quartz (SiO2)
Also known as: Rose Quartz (if pink), Smoky Quartz (if grey/brown)
Chalcedony
Cryptocrystalline Quartz (SiO2)
Also known as: Agate, Jasper
Calcite
Calcium Carbonate (CaCO3)
Also known as: Limestone (rock), Marble (rock)
Explore Amethyst and Fluorite
Identify rocks anywhere
Free on iOS, Android, and Web. Photo identification, full database, and your personal collection.