xrdpart2

     ray diffraction Diffraction Coherent scatter of waves off a periodic arrangement of matter Bragg equation n 2dsin XRD pattern of halite XRD pattern of beryl Blank Presentation X ray diffraction Diffraction Coherent scatter of waves off a periodic arrangement of matter Bragg equation n 2dsin Sample prep for powders Powder sample is randomly oriented...

  • Size: 4.9 mb
  • Date: 2012-07-03
  • .ppt
  • lilt.ilstu.edu

http://lilt.ilstu.edu/emking/courses/Mineralogy/lectures/xrdpart2.ppt

MillerIndice

     ...rystallography Forms and Planes Mineralogy Carleton College Miller Indices hkl The orientation of a surface or a crystal plane may be defined by considering how the plane or indeed any parallel plane intersects the main crystallographic axes of the solid The application of a set of rules leads...

  • Size: 478.5 kb
  • Date: 2012-05-11
  • .ppt
  • www.people.carleton.edu

.../www.people.carleton.edu/~bhaileab/mineralogy/MinWeb/MillerIndice.ppt

Lab 5

     ...Mineralogy 318 Labs 5 6 Crystallography For each of the given wooden crystal models Identify all elements of symmetry Draw a clinographic projection of the crystal model do your best showing the locations of each of its elements of symmetry and the Miller indeces for a few of its prominent crystal...

  • Size: 43 kb
  • Date: 2012-05-11
  • .doc
  • www.science.marshall.edu

http://www.science.marshall.edu/elshazly/Mineralogy notes/Lab 5.doc

Inosilicates

     II Inosilicates A Pyroxene Group Composition and structure XYZ2O6 X occupied by Na Ca Fe Mg Mn or Li Also known as the M2 site C N 8 in clinopyroxenes or 6 in orthopyroxenes Y occupied by Fe Mg Mn Fe3 Al Cr or Ti Also known as the M1 site C N 6 The M2 site is larger and although in orthopyroxenes both sites are occupied by Fe Mg Fe prefers the M2 s...

  • Size: 45 kb
  • Date: 2012-05-10
  • .doc
  • www.science.marshall.edu

...//www.science.marshall.edu/elshazly/Mineralogy notes/Inosilicates.doc

xrayintro

     ray crystallography What tools do we have to ID minerals so far How do we know atomic structure of minerals Atoms are 1 5 apart so how do we see this X rays Between 0 1 and 10 1 0 1 nm X ray Crystallography X ray wavelengths are on the same order of magnitude as atomic spacings Crystals thus makes excellent diffraction gratings Can use the geometry...

  • Size: 2.9 mb
  • Date: 2013-04-05
  • .ppt
  • lilt.ilstu.edu

http://lilt.ilstu.edu/emking/courses/mineralogy/lectures/xrayintro.ppt

selverstone optical min2 mod 2

     Uniaxial Indicatrix Biaxial indicatrix triaxial ellipsoid Blank Presentation Uniaxial Indicatrix Biaxial indicatrix triaxial ellipsoid Uniaxial Indicatrix Biaxial indicatrix triaxial ellipsoid Uniaxial Indicatrix Biaxial indicatrix triaxial ellipsoid Uniaxial Indicatrix Biaxial indicatrix triaxial ellipsoid Uniaxial Indicatrix Biaxial indicatrix tr...

  • Size: 2.5 mb
  • Date: 2012-01-03
  • .ppt
  • www.kean.edu

...an.edu/~csmart/Mineralogy/Lectures/selverstone optical min2 mod 2.ppt

Introduction

     ... Minerals Mineral Science Subdisciplines Crystallography Crystal Chemistry Descriptive Mineralogy Optical Mineralogy Systematic mineralogy Mineral Physics Gemmology Industrial Mineralogy Economic Ore Deposits Paragenesis Petrology Experimental Petrology Economic Mineral Deposits Importance and applications...

  • Size: 38.5 kb
  • Date: 2012-05-09
  • .doc
  • www.science.marshall.edu

...//www.science.marshall.edu/elshazly/Mineralogy notes/Introduction.doc

chembond

     [ | CHEMBOND - POWERPOINT PRESENTATION | ] lectron shells Atomic number number of Electrons Electrons vary in the amount of energy they possess and they occur at certain energy levels or electron shells Electron shells determine how an atom behaves when it encounters other atoms Electrons are placed in shells according to rules The 1st shell can hold up to two electrons and each shell there...

  • Size: 2 mb
  • Date: 2011-12-21
  • .ppt
  • www.wesleyan.edu

http://www.wesleyan.edu/ees/JCV/mineralogy/chembond.ppt

ChrystalchemistryLecture

     [ Bonding and the Structures of Minerals | EBOOK DOWNLOAD :BONDING AND THE STRUCTURES OF MINERALS | ] ...undamentals of crystal chemistry Mineralogy Carleton College Crystal Chemistry As we have been discussing for the last week crystals and thus minerals are made up of a 3 dimensional array of atoms arranged in an orderly fashion Crystal Chemistry Now we will explore what these atoms are and how they...

  • Size: 754.5 kb
  • Date: 2011-12-31
  • .ppt
  • www.people.carleton.edu

...carleton.edu/~bhaileab/mineralogy/MinWeb/ChrystalchemistryLecture.ppt

defectsandtwinning

     [ Structural defects and twinning | EBOOK DOWNLOAD :STRUCTURAL DEFECTS AND TWINNING | ] tructural defects and twinning No crystal has 100 flawless structure Crystal defects Defects can affect Strength Conductivity Deformation style Color Point defects Higher density of defects at higher T Defects represent disorder disorder favored at higher T Point defects Vacant sites Atoms out of correct position Extraneous atoms Substituted atoms ...

  • Size: 1.2 mb
  • Date: 2013-04-04
  • .ppt
  • lilt.ilstu.edu

...lt.ilstu.edu/emking/courses/mineralogy/lectures/defectsandtwinning.ppt

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