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Science period 4th Mr. Nelson
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Natural occurring
Must be able to form in the world without the help of human processes

Solid
Not a liquid or a gas. Slides have molecules that are tightly packed and are not free flowing.

Crystal structure
A three dimensional shape ordered, repeated arrangements of particles

Forms by Inorganic processes
They can form naturally on Earth without any animals,plants or anything that was once alive

Definite Chemical Composition
Must always contain the same elements in the same proportion for every sample.