EOS 205 End Members and Crystallographic Axis

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spb83
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238905
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EOS 205 End Members and Crystallographic Axis
Updated:
2013-10-05 17:48:32
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eos 205 stuff
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  1. Cubic (Isometric)

     crystallographic axis and Axial Angle
    a:a:a            α=β=Υ=90°
  2. Tetragonal  

    crystallographic axis and Axial Angle
    a:a:c          α=β=γ=90°
  3. Hexagonal 

    crystallographic axis and Axial Angle
    a:a:a:c       α=β=90°, γ=60-120°
  4. Orthorombic

    crystallographic axis and Axial Angle
    a:b:c       α=β=γ=90°
  5. Monoclinic 

    crystallographic axis and Axial Angle
    a:b:c    α=γ=90°, β>90°
  6. Triclinic 

    crystallographic axis and Axial Angle
    a:b:c     α≠β≠γ≠90°
  7. For the general structure X#Y#Z#O#

    What is the CN for X, Y, & Z
    X= cubic (CN 8)

    Y= Octahedral (CN 6)

    Z= Tetrahedral (CN 4)
  8. Olivine Solid Solution
    Y2ZO4

    Y=Mg, Fe           Z=Si
  9. Olivine End Members (2)
    Forsterite Mg2SiO4

    Fayalite Fe2SiO4
  10. Forsterite
    olivine family

    Mg2SiO4
  11. Fayalite
    Olivine family

    Fe2SiO4
  12. Garnet solid Solutuion
    X3Y2Z3O12


    X= Ca, Mg, Fe

    Y=Al, Fe3+

    Z=Si
  13. Garnet End Members (4)
    grossular Ca3Al2Si3O12

    • pyrope Mg3Al2Si3O12
    • almandine Fe3Al2Si3O12

    andradite Ca3Fe2Si3O12
  14. Grossular
    Garnnet family

    Ca3Al2Si3O12
  15. Pyrope
    Garnet family

    Mg3Al2Si3O12
  16. almandine
    garnet family

    Fe3Al2Si3O12
  17. andradite
    garnet Family

    Ca3Fe2Si3O12
  18. Feldspar Solid Solution
    MZ4O8

    M=Ca, Na, Al

    Z=Al3+, Si
  19. Feldspar End Members (3)
    orthoclase KAlSi3O8

    albite NaAlSi3O8

    anorthite CaAl2Si2O8
  20. Orthoclase
    Feldspar family

    KAlSi3O8
  21. Albite
    Feldspar Family

    NaAlSi3O8
  22. anorthite
    feldspar family

    CaAl2Si2O8
  23. Orthopyroxene Solid Sollution
    Y2Z2O6

    Y=Mg, Fe

    Z=Si
  24. Orthopyroxene end members (2)
    estatite Mg2Si2O6

    ferrosilite Fe2Si2O6
  25. Enstatite
    Orthopyroxene family

    Mg2Si2O6
  26. Ferrosilite
    Orthopyroxene group

    Fe2Si2O6
  27. Clinopyroxene Solid Sollution
    Y2Z2O6

    • Y= Ca, Mg, Fe
    • Z=Si, Al3+
  28. Clinopyroxene Endmembers (2)
    diopside CaMgSi2O6

    hedenbergite CaFeSi2O6

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