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Warm Up

Warm Up. What is the major difference between an element and a compound?. How can we identify unknown minerals?. Mineral Identification Lab. Is Your Sample . . .?. Metallic. Non-Metallic. Streak. Red/Red Brown. Green/Brownish/Black. Black. Your Sample Is. Hematite – 3

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Warm Up

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  1. Warm Up What is the major difference between an element and a compound?

  2. How can we identify unknown minerals? Mineral Identification Lab

  3. Is Your Sample . . .? Metallic Non-Metallic

  4. Streak Red/Red Brown Green/Brownish/Black Black

  5. Your Sample Is • Hematite – 3 • Hematite is a compound – Fe2O3 (iron and oxygen) • Start Over

  6. Your Sample Is • Pyrite – 4 • Pyrite is a compound – FeS2 (iron and sulfur) • Start Over

  7. Hardness 6+ Penny (1-2)

  8. Your Sample Is • Magnetite – 14 • Magnetite is a compound – Fe+2Fe2+3O4 (iron and oxygen) • Start Over

  9. Luster Bright Metallic Dull Metallic

  10. Your Sample Is • Galena (7) • Galena is a compound – PbS (lead and sulfur) • Start Over

  11. Your Sample Is • Graphite – 9 • Graphite is an element – C (carbon) • Start Over

  12. Color • Yellow • Other

  13. Your Sample Is • Sulfur – 8 • Sulfur is an element - S • Start Over

  14. Hardness • Fingernail • Penny • 6+

  15. Your Sample Is • Calcite – 5 • Calcite is a compound – CaCO3 (calcium, carbon, and oxygen) • Start Over

  16. Luster • Glassy • Pearly

  17. Color • Colorless/White • Brownish

  18. Your Sample Is • Halite – 15 • Halite is a compound – NaCl (Sodium and Chloride – salt) • Start Over

  19. Your Sample Is • Muscavite Mica – 2 • Muscavite Mica is a compound – KAl2(Si3AlO10)(OH,F)2 (Potassium, Aluminum, Silicon, Oxygen, Hydrogen, and Fluorine) • Start Over

  20. Color • Pale Green/Gray/White • Colorless/White

  21. Your Sample Is • Talc – 13 • Talc is a compound – Mg9Si4O10(OH)4 (magnesium, silicon, oxygen, hydrogen) • Start Over

  22. Your Sample Is • Gypsum – 12 • Gypsum is a compound – CaSO4*2H2O (Calcium, Sulfur, Oxygen, Hydride) • Start Over

  23. Luster • Glassy • Pearly

  24. Your Sample Is • Microcline Feldspar • Microcline Feldspar is a compound – KAlSi3O8 (Potassium, Aluminum, Silicon, and Oxygen) • Start Over

  25. Your Sample Is • Quartz • Color – Clear/colorless – Rock Quartz – 10 • Color – Pink – Rose Quartz – 6 • Quartz is a compound – SiO2 (Silicon and Oxygen) • Start Over

  26. Conclusion • How many samples were elements? Compounds? • What was the easiest mineral property to identify? • What was the hardest mineral property to identify? • What minerals had special properties? What were they? • What did you learn from this lab?

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