Obsidian is an extrusive igneous rock, formed from rapidly cooling lava.
it is a metamorphic rock
igneous
Metamorphic
there are 4 bill bob and jerry and the one in abi's head she likes to call a brain Igneous, Sedimentary, and Metamorphic.
Rock contained within a sedimentary rock could be igneous, metamorphic, sedimentary, or any combination of the three rock types in origin.
Obsidian is an igneous rock.
Osidian is a igneous rock
metamorphic rock
it is a metamorphic rock
It is a Metamorphic rock
It is a Metamorphic rock
Three (3) rocks in the rock cycle are sedimentary, igneous, and metamorphic rock.
igneous
igneous
It is a Sedimentary rock
It is a Sedimentary rock
No. Igneous, sedimentary, and metamorphic rocks are three different categories of rock.