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Mineral Identification Vocabulary

Mineral Identification Vocabulary. Appearance. what a mineral looks like (color, shape, size) NOT A VERY RELIABLE TEST. Hardness. a measure of how easily a mineral scratches. Mohs Scale of Hardness. a scale comparing the hardness of 10 common minerals. Has values of 1-10. Luster.

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Mineral Identification Vocabulary

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  1. Mineral Identification Vocabulary

  2. Appearance • what a mineral looks like (color, shape, size) • NOT A VERY RELIABLE TEST

  3. Hardness • a measure of how easily a mineral scratches

  4. Mohs Scale of Hardness • a scale comparing the hardness of 10 common minerals. • Has values of 1-10

  5. Luster • the way a mineral reflects light

  6. Metallic • shines like metal

  7. Non-metallic • Non-metallic luster contains 5 different lusters. They are: • Vitreous • Resinous • Pearly • Greasy • Adamantine

  8. Vitreous • appears to shine like glass

  9. Resinous • appears to be covered in resin(plastic)

  10. Pearly • having the iridescent appearance of a pearl

  11. Greasy • looks like it is covered in thin grease

  12. Adamantine • having the brilliant shine like a diamond

  13. Streak • The color of a mineral in powder form. The streak test is done on a streak plate. • The mineral must be softer than the streak plate to leave a streak

  14. Cleavage • a break along a smooth flat surface

  15. Fracture • a break with an uneven, rough, or jagged surface

  16. Other Properties • interesting aspects of a mineral that no other mineral has

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