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What is a Mineral?

What is a Mineral?

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What is a Mineral?

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  1. What is a Mineral? By Liz LaRosa 5th Grade Science www.middleschoolscience.com 2010

  2. What is a mineral? Properties: • Solid • Cannot be a liquid or a gas • Naturally Occurring • Found in nature, not man-made • Inorganic • Is not alive and never was, non-living • Fixed composition • Has a chemical formula, most are formed from compounds of two or more elements, some minerals consist of one element ex. Au • Crystal Form • A definite structure in which atoms are arranged

  3. What is a mineral? Definition: A mineral is a naturally formed, inorganic solid that has a definite crystalline structure.

  4. Questions to ask yourself when determining if an item is a mineral or not: • Is it non-living material? • Is it a solid? • Is it formed in nature? • Does it have a crystalline structure? The next few slides show an assortment of items. As a group, categorize the items as either: Minerals or Non-Minerals.

  5. Wood

  6. Gold

  7. Fossil

  8. Topaz

  9. Bones

  10. Granite

  11. Quartz

  12. Pearls

  13. Talc

  14. Icebergs

  15. Diamond

  16. Coal

  17. Rock Salt

  18. And the answers are… • Minerals • Gold • Topaz • Quartz • Talc • Iceberg* • Diamonds • Non-Minerals • Wood - once living • Fossils – once living • Bone - living material • Granite - intrusive igneous rock • Pearls – made by oysters • Coal - Sedimentary rock • Rock Salt – Sedimentary rock According to IMA – ice is listed as a mineral