Sulphides

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Author:
beccajose
ID:
18020
Filename:
Sulphides
Updated:
2010-05-05 21:45:59
Tags:
Chemical Formula Sulphides
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Description:
Sulphides Formulas and descriptions
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  1. Acanthite (Argenite)
    Ag2S
  2. Chalcocite
    Cu2S

    • Polyhedral Sulphides
    • H: 2.5-3
    • SG: 5.7
    • Colour: Gray-black / metallic
    • Streak: gray / metallic
  3. Bornite
    Cu5FeS4

    • Polyhedral Sulfides
    • H: 3
    • SG: 5.1
    • Colour: Bronze, blue (oxydized) / metallic
    • Streak: Gray-blue
  4. Galena
    PbS

    • Polyhedral Sulfides
    • H: 2.5
    • SG: 7.4
    • Colour: gray / metallic
    • Streak: gray-black
  5. Sphalerite
    ZnS

    • Polyhedral sulfides
    • H: 3-4
    • SG: 4.1
    • Colour: Yellow, brown, black / (metallic)
  6. Chalcopyrite
    CuFeS2

    • Polyhedral Sulfides
    • H: 3.5-4
    • SG: 4.2
    • Colour: green-yellow / metallic
    • Streak: green-black / (metallic)
  7. Pyrrhotite
    Fe1-xS

    • Polyhedral sulfides
    • H: 4
    • SG: 4.6
    • Colour: Bronze / metallic
    • Streak: gray-black
  8. Nickeline
    NiAs

    • H: 5-5.5
    • SG: 7.78
    • Colour: pale copper-red
    • Streak: brownish-black
  9. Millerite
    NiS

    • H: 3-3.5
    • SG: 5.5
    • Colour: pale brass-yellow
    • Streak: greenish-black
  10. Pentlandite
    (Fe,Ni)9S8 or Fe4Ni4CoS8

    • Polyhedral Sulfides
    • H: 3-4
    • SG: 4.8
    • Colour: Bronze-brown / metallic
    • Streak: light bronze-brown
  11. Covellite
    CuS

    • H: 1.5-2
    • SG: 4.6
    • Colour: indigo-blue or darker (iridescent)
    • Streak: lead-gray to black
  12. Cinnabar
    HgS

    • Polyhedral Sulfides
    • H: 2-2.5
    • SG: 8.1
    • Colour: Red
    • Streak: Red
  13. Realgar
    • AsS or As4S4
    • Group Sulphides
    • H: 1.5-2
    • SG: 3.5
    • Colour: Red, orange
    • Streak: Orange
  14. Orpiment
    As2S3

    • Sheet Sulphides
    • H: 1.5-2
    • SG: 3.49
    • Colour: Yellow
    • Streak: Yellow
  15. Stibnite
    Sb2S3

    • Band Sulphides
    • H: 2-2.5
    • SG: 4.6
    • Colour: Gray, Black / metallic
    • Streak: Gray-black

  16. Pyrite
    FeS2

    • Group Sulphides
    • H: 6-6.5
    • SG: 5.1
    • Colour: Yellow / metallic
    • Streak: green-black
  17. Marcasite
    FeS2

    • Group Sulphides
    • H: 6-6.5
    • SG: 4.8
    • Colour: Yellow / metallic
    • Streak: green-black
  18. Molybdenite
    MoS2

    • Sheet Sulphides
    • H: 1
    • SG: 4.7
    • Colour: Gray / Metallic
    • Streak: Gray-Black

  19. Cobaltite
    • CoAsS
    • Group Sulphides
    • H: 5.5
    • SG: 6.2
    • Colour: White, Pink / Metallic
    • Streak: Gray-Black


  20. FeAsS

    • Group Sulphide
    • H: 5.5-6
    • SG: 6
    • Colour: Gray-white / Metallic
    • Streak: Black
  21. Skutterudite
    CoAs3

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