Mineral Identification Vocabulary

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Mineral Identification Vocabulary

  1. 1. Mineral Identification Vocabulary
  2. 2. Appearance <ul><li>what a mineral looks like (color, shape, size) </li></ul><ul><li>NOT A VERY RELIABLE TEST </li></ul>
  3. 3. Hardness <ul><li>a measure of how easily a mineral scratches </li></ul>
  4. 4. Mohs Scale of Hardness <ul><li>a scale comparing the hardness of 10 common minerals. </li></ul><ul><li>Has values of 1-10 </li></ul>
  5. 5. Luster <ul><li>the way a mineral reflects light </li></ul>
  6. 6. Metallic <ul><li>shines like metal </li></ul>
  7. 7. Non-metallic <ul><li>Non-metallic luster contains 5 different lusters. They are: </li></ul><ul><li>Vitreous </li></ul><ul><li>Resinous </li></ul><ul><li>Pearly </li></ul><ul><li>Greasy </li></ul><ul><li>Adamantine </li></ul>
  8. 8. Vitreous <ul><li>appears to shine like glass </li></ul>
  9. 9. Resinous <ul><li>appears to be covered in resin (plastic) </li></ul>
  10. 10. Pearly <ul><li>having the iridescent appearance of a pearl </li></ul>
  11. 11. Greasy <ul><li>looks like it is covered in thin grease </li></ul>
  12. 12. Adamantine <ul><li>having the brilliant shine like a diamond </li></ul>
  13. 13. Streak <ul><li>The color of a mineral in powder form. The streak test is done on a streak plate. </li></ul><ul><li>The mineral must be softer than the streak plate to leave a streak </li></ul>
  14. 14. Cleavage <ul><li>a break along a smooth flat surface </li></ul>
  15. 15. Fracture <ul><li>a break with an uneven, rough, or jagged surface </li></ul>
  16. 16. Other Properties <ul><li>interesting aspects of a mineral that no other mineral has </li></ul>

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