Iron, quartz, crystal, aqua marine, turquoise and probably a few more I'm forgetting.
Rocks are usually not elements, but they contain elements.
Yes but different sorts in different rocks and in the form of compounds as well as elements.
It is similar because you are putting rocks into groups like you are putting elements into groups
Dark igneous rocks usually have higher amounts of heavier elements such as iron. Light-colored igneous rocks tend to be richer in lighter elements like sodium and aluminum.
Elements make up minerals, and minerals make up rocks. There are more combinations of minerals (themselves combinations) than elements.
Rocks are usually not elements, but they contain elements.
No. Steel is a manufactured alloy of iron, carbon and other elements depending on the requirements. Rocks are natural mineral formations. Some of which are ores from which we obtain certain useful substances such as iron
Rocks are used in building for many reasons. They are abundant, extremely durable, fireproof, easy and cheap to obtain in many places, and they can be very beautiful.
Yes but different sorts in different rocks and in the form of compounds as well as elements.
It is similar because you are putting rocks into groups like you are putting elements into groups
Rocks are composed of minerals which are composed of elements.
in rocks
Depends on which rocks. Some common elements are silica and iron.
Rocks are composed of minerals. Minerals are composed of elements.
mud
potassium
rocks