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minerals

minerals. Ms. Steele. What is a mineral?. A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition. How to Identify Minerals. http://www.youtube.com/watch?v=cjA2- MrWAVU How can we identify minerals?. 5 Characteristics All Minerals Share.

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minerals

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  1. minerals Ms. Steele

  2. What is a mineral? • A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition

  3. How to Identify Minerals • http://www.youtube.com/watch?v=cjA2-MrWAVU • How can we identify minerals?

  4. 5 Characteristics All Minerals Share • 1. Naturally occurring • 2. Inorganic • 3. Solid • 4. Crystal Structure • 5. Definite chemical composition

  5. 1. Naturally Occurring • It occurs in nature • It CANNOT be created by people

  6. 2. Inorganic • The mineral cannot come from something that was once living

  7. 3. Solid • Has a definite volume and shape • Particles are tightly packed together • Particles cannot easily move • What else do we know about solids?

  8. 4. Crystal Structure • There are particles in a mineral • These particles line up in a pattern that repeats over and over again • This pattern creates a crystal

  9. 5. Definite Chemical Composition • It contains certain elements in exact proportions • Almost all minerals are compounds!

  10. Station 1: Microcline • Color: • Green, white, grey • Luster: • Glassy • Hardness: • 6-6.5 • Streak: • White

  11. Station 2: Plagioclase • Color: • White, gray, bluiish white, reddish white, greenish white • Luster: • Glassy • Hardness: • 6-6.5 • Streak: • White

  12. Station 3: Hornblende • Color: • Black, dark green, dark brown • Luster: • Glassy • Hardness: • 5 to 6 • Streak: • White, colorless

  13. Station 4: Muscovite • Color: • Black, brown, solver, brown, yellow, green, rose • Luster: • Pearly to glassy • Hardness: • 2.5 to 3 • Streak: • White

  14. Station 5: Biotite • Color: • Black, dark green, dark brown • Luster: • Glassy • Hardness: • 2.5 to 3 • Streak: • White to gray; flakes often produced

  15. Station 6: Calcite • Color: • White, gray • Luster: • Glassy • Hardness: • 3 • Streak: • White

  16. Station 7: Quartz • Color: • Clear, white, gray, purple, pink, etc. • Luster: • Glassy • Hardness: • 7 • Streak: • Colorless

  17. Is it a mineral? • Talc

  18. Is it a mineral? • Talc • Yes!

  19. Is it a mineral? • Quartz

  20. Is it a mineral? • Quartz • Yes!

  21. Is it a mineral? • Coal

  22. Is it a mineral? • Coal • No! • It is organic • It is made of plants and animal remains

  23. Is it a mineral? • Halite • Salt

  24. Is it a mineral? • Halite • Salt • Yes!

  25. Is it a mineral? • Ice

  26. Is it a mineral? • Ice • No!

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