rocks+and+minerals

media type="custom" key="13504794"media type="custom" key="13532028" width="96" height="96"[[image:missw308/Amethyst.jpg width="373" height="319"]] This is my birth stone an amethyst!
glossary: mica: a transparent mineral My questions : What are volcanic rocks? Are sedimentary: a type of rock cyrstals rocks or minerals? Are rocks minerals nodule: a type of mineral found under chalk cliffs ? How many types of rocks are there? What gemstones: A gemstone is like a rubie or dimond are moving rocks?

Fun facts
1. Rubies and dimonds are made out of the same mineral aluminum oxide

4. Rings are made out of white, red, and yellow colored gold. 5. You can find a raw dimond in a rock called kimberlite.