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Warm Up

Learn the major differences between elements and compounds, identify unknown minerals through properties like hardness and luster. Discover special properties of minerals such as color and streak. Test your knowledge on mineral identification in this interactive lab.

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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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