Chapter 3 Section 1

 A naturally formed inorganic solid that has a definite crystalline structure.  All minerals are made of elements.  Most minerals are made of compounds.

 92 naturally occurring  Pure substances that cannot be broken down into simpler substances by ordinary chemical means

 Substances made of 2 or more elements that have been chemically joined or bonded.

 Solid whose atoms, ions, or molecules are arranged in a definite pattern.

Silicate MineralsNon Silicate Minerals  More that 90%of the Earth’s crust  Silicon and oxygen and one or more metals  Does not contain compounds of silicon and oxygen Mica Copper

 Chemical composition- What chemicals is it made of?