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41 - 50 of 112 search results for magnetite
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  2. Apatite · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/apatite.html
    9 Apr 2024: Apatite crystal structure, CrystalMaker. Formula. Ca. 5. (PO. 4. ). 3. (OH,F,Cl). Structure. Non-silicate. Crystal System. Crystal system: hexagonal (-). Physical Properties. Colour in hand specimen: green, white, yellow, blue brown etc. Hardness: 5.
  3. L172 - ultramafic cumulate · Igneous Rocks · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/igneous-rocks/l172.html
    9 Apr 2024: Alteration to magnetite and serpentine, particularly along the curving cracks. Cracks across the thin-section, could be due to expansion of the rock as the olivine was altered.
  4. Olivine · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/olivine.html
    9 Apr 2024: Olivine hand specimen, no cleavage. Olivine crystal structure, CrystalMaker. Formula. (Mg,Fe). 2. [SiO. 4. ]. Structure. Orthosilicate. Crystal System. Crystal system: orthorhombic () (-). Physical Properties. Colour in hand specimen: pale green.
  5. Calcite · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/calcite.html
    9 Apr 2024: Single crystal calcite hand specimen. Small calcite crystals growing from a free surface. Milky single crystal of calcite. Calcite crystal structure, CrystalMaker. Formula. CaCO. 3. Structure. Non-silicate. Crystal System. Crystal system: trigonal (-
  6. Rietveld quantitative analysis and amorphous content quantitative…

    https://www.esc.cam.ac.uk/system/files/documents/goethite-quant-analysis-2012-pdf.pdf
    Sample goethite magnetite clinochrys. orthopyroxene gof. YL25m 88.1%3.8% <5% 7.11.4% not included 1.342. ... Acta Cryst. A63, 412-417Bragg, W.H. (1915) The structure of magnetite and the spinels.
  7. Chlorite · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/chlorite.html
    9 Apr 2024: Chlorite crystal structure, CrystalMaker. Formula. (Mg,Fe. 2+. ,Fe. 3+. ,Mn,Al). 12. [(Si,Al). 8. O. 20. ](OH). 16. Structure. Sheet silicate. Crystal System. Crystal system: monoclinic () (-). Physical Properties. Colour in hand specimen: green.
  8. Dolomite · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/dolomite.html
    9 Apr 2024: Dolomite in hand specimen. Dolomite crystal structure, CrystalMaker. Formula. CaMg(CO. 3. ). 2. Structure. Non-silicate. Crystal System. Crystal system: trigonal (-). Physical Properties. Colour in hand specimen: white, often tinged with yellow or
  9. Fluorite · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/fluorite.html
    9 Apr 2024: Fluorite crystal hand specimen, purple hue. Fluorite crystal structure (cubic), CrystalMaker. Formula. CaF. 2. Structure. Non-silicate. Crystal System. Crystal system: cubic. Physical Properties. Colour in hand specimen: extremely variable:
  10. Anhydrite · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/anhydrite.html
    9 Apr 2024: Anhydrite crystal structure, CrystalMaker. Formula. CaSO. 4. Structure. Non-silicate. Crystal System. Crystal system: orthorhombic (). Physical Properties. Colour in hand specimen: white or colourless when pure. Cleavage: two at 90. Hardness: 3-3.5.
  11. Mica, muscovite · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/muscovite.html
    9 Apr 2024: Mica, muscovite. Crystals of muscovite with basal cleavage. Crystals of muscovite, colourless. Muscovite crystal structure (a sheet silicate), CrystalMaker. Formula. K. 2. Al. 4. [Si. 6. Al. 2. O. 20. ](OH,F). 4. Structure. Sheet silicate. Crystal

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