Specimen Of Scoria Igneous Rock Stone Isolated On White Background. A Rock Is Any Naturally Occurring Solid Mass Or Aggregate Of Minerals Or Mineraloid Matter. Rocks Are Generally Made Up Of Two Of More Minerals, Mixed Up Through Geological Processes.

KEYWORDS

aggregate background big black boulder carbon cerussite close coal collection conglomerate crystal deep example formations fossil fuel generally geological geology gneiss granite grey isolated macro made mass matter metamorphic mineral mineraloid minerals mixed natural naturally nature object occurring ore pebble percent processes psilomelane raw rock rocks rough sample solid specimen stone texture white