Minerals and Non- Minerals

   Hello in science we are now studying about minerals and here are some info. 
   There is one way of how you can identify minerals; they need to be:

• SOLID
• NATURALLY OCCURRING
• INORGANIC
• FIXED COMPOSITION
• CRYSTAL FORM

   When I mentioned solid it means it has a definite shape and volume. When I said that a mineral is naturally occurring I mean that minerals are formed by natural process. Also what I meant by inorganic i meant it comes from materials that are not living. Fixed Composition means it has always a certain elements in definite proportions. And last Crystal Form means that particles in a mineral have a pattern that repeats over and over, 
   Here are some examples telling you what solids are minerals or not.

•  Quartz is a mineral because it has the S.N.I.F.C. properties
•  Wood is not because it was once living 
•  Pearls are not a minerals because it is made by oysters, which is a living material
•  Topaz is a mineral because it follows the S.N.I.F.C. 
•  Gold is a mineral because it has all the properties of the S.N.I.F.C rule.

Quartz

Topaz

Gold