Unidentified Mineral Fragment look-alikes
Unknown Mineral
Got a photo? Identify rocks instantly with the Rockby app
Open the appSeveral rocks and minerals can be confused with Unidentified Mineral Fragment. 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
Quartz
SiO2
Also known as: Rock Crystal
Feldspar
(K,Na,Ca)(Al,Si)4O8
Also known as: Orthoclase, Plagioclase
Calcite
CaCO3
Also known as: Calcium Carbonate
Explore Unidentified Mineral Fragment
Identify rocks anywhere
Free on iOS, Android, and Web. Photo identification, full database, and your personal collection.