Leaverite
Leaverite is a slang term used by geologists, mineralogists, archaeologists, and amateur rock collectors to identify a specimen in the field that may look interesting or valuable but not worth removing. Rocks identified as such are generally left where they were found, as there is not sufficient reason to attempt to remove them. The term "leaverite" derives from the phrase ""leave 'er right" there". There are several kinds of leaverites: Additional forms of leaverites include: