Minerals

G-mo1130 (United States of America)
20 words 141 learners

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Full list of words from this list:

words only definitions & notes
  1. mineral
    a solid inorganic substance occurring in nature
  2. obsidian
    glass formed by the cooling of lava without crystallization
  3. zinc
    a bluish-white lustrous metallic element
  4. igneous
    produced by the action of fire or intense heat
  5. metamorphic
    having undergone transformation by pressure, heat, etc.
  6. sedimentary
    formed by or containing the accumulation of deposited matter
  7. magma
    molten rock in the earth's crust
  8. copper
    a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
  9. quartz
    a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
  10. crystal
    a solid having a highly regular atomic structure
  11. geology
    science of the history of the earth as recorded in rocks
  12. gemstone
    a crystalline rock that can be cut and polished for jewelry
  13. pearl
    a smooth round structure in the shell of a clam or oyster
  14. density
    the amount per unit size
  15. fossil
    the remains of a plant or animal from a past geological age
  16. shell
    the outer covering of an animal
  17. silicon
    a tetravalent nonmetallic element
  18. miner
    laborer who extracts ores and minerals
  19. jasper
    a semiprecious gemstone that is often red
  20. carbon
    an abundant nonmetallic element in all organic compounds
Created on Mon Oct 07 22:14:05 EDT 2013

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