A solid mixture of two or more elements, at least one of which metal.
A scientific mixture.
A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition.
A natural formed rock.
Not formed from living things or the remains of living things.
A solid in which the atoms are arranged in a pattern that repeats again and again.
A repeating natural mineral.
Rock that contains a metal or other economically useful mineral.
A metallic mineral.
A type of rock that forms from the cooling a molten rock at or below the surface.
A lava-made rock.
A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions.
An organic rock.
A type of rock that forms when particles from other rocks or the remain of plants and animals are pressed together and cemented together.
A mixture of minerals.
Wear away or change of appearance of texture.
The change of the mineral .
The process of eroding or being eroded by wind, water, or natural agents.
The action of deposing something or someone
Dropping or throwing away
Matter that settles at the bottom of a liquid.
Density goes down.
hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed.
Lava below the crust.