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They all do. This is a scientific definition of a mineral:
A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin.
Dereck Kozey
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What is a solid substance that occurs naturally in rocks?
Minerals are solid substances that occur naturally in rocks and in the crust of the Earth. The type of mineral can vary depending on the area.
Where in the earths crust must a mineral occur?
naturally
Does zirconium occur naturally on earth?
Yes, it occurs naturally on earth.
What mineral doesn't occur on earth naturally but must be separated from its ore?
Iron
How many different kinds of atom occur naturally on earth?
94 kinds of atoms occur naturally on earth
Does iron occur naturally or in compounds?
NO!!! It does not occur naturally. However, its mineral ores are very common. e.g. Haematite, Magnetite.
Where does pyrite occur naturally?
pyrite is my favorite mineral but you can naturally find it normally in Africa or Asia
What does not occur naturally on earth?
nobeilum
How does water naturally occur on earth?
Water naturally occurs on earth from rain.
Does aluminum naturally occur?
Aluminum is abundant in the earth's crust, however it does not occur by itself in nature. All of the aluminum in nature is found combined with another element or compound.
How many known elements are there on earth are naturally made?
92 elements occur naturally on the earth.
What mineral doesn't occur naturally but must be separated from its ore and its harder more rust-resistant form of this mineral is steel?
it is iron
