The articles in this category are Rocks.
“Ductile is a word that means that a certain rock or object can flow under shear stress. GeologyDuctile
“Coal is a fossil fuel that is extracted from the ground by coal mining. There are many types of...Coal
“Carbonate rocks are rocks made up primarily of carbonate minerals (minerals containing the CO3...Carbonate
“Lapis Lazuli is a blue rock compound that is often mistaken for Azurite. It is a blend of the...Lapis Lazuli