1. Rocks Vs. Minerals

2. What is a Mineral?
A mineral is a naturally formed, inorganic, solid that has a definite crystalline structure.
Same composition throughout
Two Groups –
Silicate
Non-Silicate

3. Silicate Minerals MINERALS THAT CONTAIN OXYGEN AND SILICON.
MAKE UP MORE THAN 90% OF THE EARTH’S CRUST

4. Non-silicate minerals
Minerals that do not contain silicon
Galena
Calcite
Corundum

5. Rocks
Sandstone (sedimentary)
A rock is a naturally occurring, solid mixture of one or more minerals and organic matter.
Three Types:
Igneous
Metamorphic
Sedimentary
Obsidian (igneous)
Gneiss (metamorphic)