Hard.........l
Hard and Blunt
They may be smooth and others may be rough. Smoothness/roughness is not a defining characteristic for igneous rocks.
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igneous rocks
hard rough and not smooth
Rhyolititcen rocks.
Igneous rocks are formed by the solidification of molten materials.
Sedimentary rock can be made up partially of igneous clasts, but igneous rock is igneous rock.
Granite is classified as an intrusive igneous rock.
Yes. Volcanic rocks are extrusive igneous rocks.
Igneous rocks
igneous rocks form