Eva+Brownell+rocks+and+minerals.

=**Rocks and minerals**= = =

== ===**did you now that all rocks are made of two or more minerlas. you use minerals every day .Sement for the side walk is a rock wich is a minerla .Salt, cents a dimond there are 3000 minerals .pencil led** **is a mineral that is callde graphite**===

Graphite
=== chalk===