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Niether. Volcanic rock is a mixture.
Pumice is a frothy, bubbly, light volcanic rock.
Common, hihgly porous types of volcanic rock are pumice and scoria.
That varies widely between different types of volcanic rock. Obsidian or volcanic glass, is harder then pumice, but both are volcanic rocks.
Magma, (Volcanic Rock)
Volcanic Rock
There isn't one!!! At least not any more, there used to be Volcanic activity in Great Britain as can be seen by volcanic plugs like Dumbarton Rock and Castle Rock in Edinburgh.
Yes,it is a volcanic rock.
No. Volcanic rock is not flammable.
Volcanic islands are formed by volcanoes and are therefore composed of volcanic rock.
Niether. Volcanic rock is a mixture.
The address of the Castle Rock Museum is: Po Box 1572, Castle Rock, CO 80104-6072
Kimberlite is a volcanic rock. Kenyte is a volcanic rock found on Mount Kenya.
The address of the Castle Rock Public Library is: 137 Cowlitz St W., Castle Rock, 98611 8998
Volcanic rocks are considered igneous.
No. Obsidian is just one of many types of volcanic rock.
is a volcanic eruption part of the rock cycle