The hardest rock is PANTERA, or Diamonds. Depending on your question.
soil is in weathered parent rock
A rock is a rock, and a diamond is a gem.
The diamonds themselves are, well, diamonds. They're found mixed in with other rock, though.
The parent rock (protolith) is the rock type that existed before a rock is altered into metamorphic rock. For instance, shale (sedimentary rock) is the parent rock of slate (metamorphic rock).
coal
Diamonds are the hardest rock.
Nothing, Chert has a parent rock and is made of mostly fossils and silica. It is not a parent rock. It has a parent rock.
Diamonds sell for $4,750 at the Rock Isle Rock Shop.
The hardest rock is PANTERA, or Diamonds. Depending on your question.
Diamonds are the kind of rock that are diamonds
Diamonds are formed from carbon.
Limestone does not have a parent rock.
rock coal
Some diamonds may be included in kimberlite.
soil is in weathered parent rock
Phyllite is a foliated metamorphic rock whose parent rock is slate.