. "TGN:21444" . _:b670483166 . "FTT:1010" . _:b670465878 . . _:b670465878 . "From https://en.wikipedia.org/wiki/ [A mineral] is different from a rock, which can be an aggregate of minerals or non-minerals and does not have a specific chemical composition. The exact definition of a mineral is under debate, especially with respect to the requirement a valid species be abiogenic, and to a lesser extent with regards to it having an ordered atomic structure." . "rock" . _:b670465878 . "EcoLexicon:rock" . . _:b670483166 . "A rock is a naturally occurring solid aggregate of one or more minerals or mineraloids." . . "SWEETRealm:Rock" . "FTT:145" . "https://en.wikipedia.org/wiki/Rock" . "Geonames:T.RKS" . _:b670465878 . _:b670465878 . _:b670483166 . "Geonames:T.RK" . _:b670483166 . _:b670483166 .