Mineralogy Lab Quiz 2

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Author:
Terynjp
ID:
169005
Filename:
Mineralogy Lab Quiz 2
Updated:
2012-09-05 00:19:39
Tags:
Carbonites Sulfates Phosphates Oxides Hydroxides Halides
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Description:
Mineralogy 302L
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  1. Carbonites
    Metal + CO3

    • Calcite
    • Smithsonite
    • Dolomite
    • Rhodochrosite
    • Siderite
    • Azurite
    • Malachite

    • -will fizz
    • -H=3-4
    • -3 planes of cleavage
    • -used for cement
  2. Calcite
    CaCO3

    • Carbonite
    • Translucent
    • 3 planes of cleavage
    • H=3
  3. Smithsonite
    ZnCO3

    • Carbonite
    • Seagreen
    • H=4
    • Fizzes
  4. Dolomite
    CaMg(CO3)2

    • Carbonite
    • Peach, pink, white, tan
    • Saddle shaped crystals
    • 3 cleavage planes
    • H=4
    • Fizzes
  5. Rhodochrosite
    MnCO3

    • Carbonite
    • Rose, pink
    • H=3.5-4
    • Fizzes
    • 3 cleavage planes
  6. Siderite
    FeCO3

    • Carbonite
    • Brown
    • H=4
    • Fizzes
    • High SG
    • 3 cleavage planes
  7. Azurite
    Cu3(CO3)2(OH)2

    • Carbonite
    • Blue
    • with blue streak
    • fizzes
    • H=3.5-4
  8. Malachite
    • Cu2CO3(OH)2
    • Carbonite
    • bumpy-forms with Azurite
    • Green
    • Botroydrial or radiating crystal form
    • fizzes slightly
    • H=3.5-4
  9. Sulfates
    • Gypsum
    • Anhydrite
    • Barite
  10. Gypsum
    CaSO4*2H2O

    • Sulfate
    • Soft H=2 ( can scratch fingernail)
    • 3 cleavage planes
    • Monoclinic crystals->one face is 90o ¬†to one side but not the other
    • Clearish White
  11. Anhydrite
    CaSO4

    • Sulfate
    • Massive form
    • dull
    • H=3
    • Powdery grey streaks in crystals
  12. Barite
    BaSO4

    • Sulfate
    • High SG
    • tannish brown
    • tabular crystals
    • brittle
    • H=3-3.5
  13. Phosphates
    Apatite
  14. Apatite
    Ca5(PO4)3(OH,F,Cl)

    • Phosphate
    • Brownish, tan, yellow
    • Hexagon shaped crystals
    • Sucked on candy look
    • H=5
  15. Oxides
    • Metal+O2
    • Pyrolusite
    • Rutile
    • Corundum
    • Hematite
    • Ilmenite
    • Magnetite
    • Chromite

    • High SG
    • Dark in color
    • Mod to high hardness
    • used for the metals they contain
  16. Pyrolusite
    MnO2

    • Oxide
    • Leaves black soot on hands
    • Black streak
    • H=2-4
    • High SG
    • bumpy
  17. Rutile
    TiO2

    • Oxide
    • Light grey/brown streak
    • straight edges/ flat
    • small crystal size
    • H=6-6.5
    • High SG
  18. Corundum
    Al2O3

    • Oxide
    • Rubies and Saphires
    • Hexagon cross sectional shape
    • High SG
    • H=9
  19. Hematite
    Fe2O3

    • Oxide
    • Cool to the touch
    • Red, brown or black
    • Brick red streak
    • High SG
    • H=5-6
  20. Ilmenite
    FeTiO3

    • Oxide
    • Blocky
    • Dark in color
    • Dark brown/black streak
    • H=5-6
    • High SG
    • Shiney in light
  21. Magnetite
    Fe3O4

    • Oxide
    • Black in color
    • strongly magnetic
    • massive or octahedrons or cubes
    • High SG
    • H=5-6
  22. Chromite
    FeCr2O4

    • Oxide
    • Gradular and massive
    • light to medium brown streak
    • High SG
    • H=5.5
  23. Hydroxide
    metals+OH group

    Goethite
  24. Goethite
    alphaFeO(OH)

    • Hydroxide
    • yellow to light brown
    • Botroydial, radiating or massive form
    • H=5-5.5
  25. Halides
    Halogen (F,Cl) bonded to an ion

    • Fluorite
    • Halite
  26. Fluorite
    CaF2

    • Halide
    • 4 cleavage planes
    • octahedron or cube
    • any color
    • H=4
  27. Halite 
    NaCl

    • Halide
    • 3 cleavage planes
    • salty
    • low SG
    • H=2

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