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Your query has been expanded to magnetite |u:p1acollections.esc.cam.ac.uk.  Search for Magnette |u:p1acollections.esc.cam.ac.uk instead.
21 - 30 of 47 search results for Magnette |u:p1acollections.esc.cam.ac.uk or magnetite |u:p1acollections.esc.cam.ac.uk

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  2. 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:

  3. Garnet · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/garnet.html
    9 Apr 2024: Garnet (euhedral) in hand specimen. Formula. (Mg,Fe,Ca). 3. Al. 2. Si. 3. O. 12. Structure. Orthosilicate. Crystal System. Crystal system: cubic. Physical Properties. Colour in hand specimen: typically red. Cleavage: none. Hardness: 6-7.5. Optical

  4. Pyrite · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/pyrite.html
    9 Apr 2024: Pyrite crystals, with metallic lustre. Pyrite crystals within quartz. Pyrite cubis crystal structure, showing octahedral coordination of Fe by S. Formula. FeS. 2. Structure. Non-silicate. Crystal System. Crystal system: cubic. Physical Properties.

  5. L162 - porphyritic basalt · Igneous Rocks · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/igneous-rocks/l162.html
    9 Apr 2024: Some areof magnetite, clinopyroxene and other minerals. Extensive alteration along abundant cracks. ... Groundmass. - Fine-grained. Plagioclase feldspar needles, clinopyroxene, some olivine (mostly altered), and opaques, probably magnetite.

  6. 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

  7. L172 Ultramafic cumulate · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/igneous-rocks/item/14.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.

  8. 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.

  9. Serpentine · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/serpentine.html
    9 Apr 2024: Serpentine crystal lattice, with sheet silicate structure (CrystalMaker). Serpentine is a common alteration product of olivine, produced by hydration at low temperatures. Formula. Mg. 3. [Si. 2. O. 5. ](OH). 4. Structure. Sheet silicate. Crystal

  10. 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 (-

  11. Quartz · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/quartz.html
    9 Apr 2024: Quartz single crystal, no cleavage, conchoidal fracture. Quartz prisms, vitreous lustre. Quartz prisms (roughly hexagonal habit). Quartz crystal structure (trigonal unit cell), CrystalMaker. Formula. SiO. 2. Structure. Framework silicate. Crystal

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