Chapter 3 Section 1. A naturally formed inorganic solid that has a definite crystalline structure. All minerals are made of elements. Most minerals.

WHAT IS A MINERAL?

Chapter 3 Section 1

MINERAL

A naturally formed inorganic solid that has a definite crystalline structure.

All minerals are made of elements.

Most minerals are made of compounds.

ELEMENTS 92 naturally occurring

Pure substances that cannot be broken down into simpler substances by ordinary chemical means

COMPOUNDS Substances made of 2 or more elements

that have been chemically joined or bonded.

CRYSTALS Solid whose atoms, ions, or molecules

are arranged in a definite pattern.

2 GROUPS OF MINERALSSilicate Minerals Non 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

MicaCopper

MOST COMMON WAY TO TELL WHAT KIND OF MINERAL YOU HAVE

Chemical composition- What chemicals is it made of?