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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.
31 - 47 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. 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 (-

  3. 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

  4. 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

  5. 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

  6. Tourmaline · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/tourmaline.html
    9 Apr 2024: Tourmaline crystal structure (trigonal), CrystalMaker. Tourmaline is the only common mineral of which boron is an essential constituent. Its presence in a rock, therefore, indicates that the rock contains significant boron. Formula.

  7. Amphibole (hornblende) · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/hornblende.html
    9 Apr 2024: Amphibole (hornblende). Amphibole hand specimen. Amphibole hand specimen. Formula. (Na,K). 0-1. Ca. 2. (Mg,Fe. 2+. ,Fe. 3+. ,Al). 5. Si. 6-7.5. Al. 2-0.5. O. 22. (OH). 2. Structure. Chain silicate. Crystal System. Crystal system: monoclinic () (-).

  8. Orthopyroxene · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/orthopyroxene.html
    9 Apr 2024: Orthopyroxene. Orthopyroxene crystal structure, CrystalMaker. Orthopyroxene chemical variability. Enstatite (common in mafic rocks) always has high Mg and low Ca. Formula. (Mg,Fe). 2. Si. 2. O. 6. Structure. Chain silicate. Crystal System. Crystal

  9. Plagioclase feldspar · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/plagioclase.html
    9 Apr 2024: Plagioclase feldspar. Plagioclase feldspar hand specimen, polycrystalline with opaque, white colour. Plagioclase feldspar with optical schiller. Plagioclase feldspar crystal structure, CrystalMaker. Formula. Na[AlSi. 3. O. 8. ] – Ca[Al. 2. Si. 2.

  10. L102 - hornblende biotite granite · Igneous Rocks · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/igneous-rocks/l102.html
    9 Apr 2024: Strongly pleochroic in reddish brown and pale straw. Often associated with small grains of an opaque accessory mineral, probably magnetite.

  11. Alkali Feldspar · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/alkali-feldspar.html
    9 Apr 2024: Alkali Feldspar. Alkali feldspar hand specimen, pink hue. Alkali feldspar hand specimen, milky white. Simply twinned alkali feldspar in granite. Alkali feldspar unit cell, CrystalMaker. Formula. (K,Na)[AlSi. 3. O. 8. ]. Structure. Framework

  12. Clinopyroxene (augite) · Minerals · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/exhibits/show/minerals/clinopyroxene-augite.html
    9 Apr 2024: Clinopyroxene (augite). Phase diagram deomstrating the chemical compositional range for clinopyroxenes. Formula. (Ca,Mg,Fe. 2+. ,Fe. 3+. ,Ti,Al). 2. [(Si,Al). 2. O. 6. ]. Structure. Chain silicate. Crystal System. Crystal system: monoclinic ().

  13. Browse Items · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/items%3Fpage=21&sort_field=Dublin+Core,Title.html
    9 Apr 2024: Browse Items (264 total). Page. of 27. Sort by:. Compare with phenocryst. Formula Fe3O4 Structure Non-silicate Crystal System Crystal system: cubic Physical Properties Colour in hand specimen: blackStreak: blackCleavage: noneHardness: 7.5-8 Optical

  14. Browse Items · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/items%3Fpage=6&sort_field=Dublin+Core,Creator.html
    9 Apr 2024: Browse Items (264 total). Page. of 27. Sort by:. Formula (K,Na)[AlSi3O8] Structure Framework silicate Crystal System Crystal system: monoclinic (-) or triclinic () (-) Physical Properties Colour in hand specimen: white or pink Cleavage: two at 90

  15. Browse Items · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/items%3Fpage=7&sort_field=Dublin+Core,Title&sort_dir=d.html
    9 Apr 2024: Browse Items (264 total). Page. of 27. Sort by:. Formula Fe3O4 Structure Non-silicate Crystal System Crystal system: cubic Physical Properties Colour in hand specimen: blackStreak: blackCleavage: noneHardness: 7.5-8 Optical Properties Colour in

  16. Browse Items · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/items/browse%3Ftags=igneous&sort_field=Dublin+Core,Creator.html
    9 Apr 2024: Browse Items (7 total). Tags: igneous. Sort by:. Formula (Na,K)0-1Ca2(Mg,Fe2+,Fe3+,Al)5Si6-7.5Al2-0.5O22(OH)2 Structure Chain silicate Crystal System Crystal system: monoclinic () (-) Physical Properties Colour in hand specimen: black Cleavage:

  17. Browse Items · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/items/browse%3Ftags=igneous&sort_field=Dublin+Core,Title.html
    9 Apr 2024: Browse Items (7 total). Tags: igneous. Sort by:. Formula (Na,K)0-1Ca2(Mg,Fe2+,Fe3+,Al)5Si6-7.5Al2-0.5O22(OH)2 Structure Chain silicate Crystal System Crystal system: monoclinic () (-) Physical Properties Colour in hand specimen: black Cleavage:

  18. Browse Items · 1A Collections

    https://p1acollections.esc.cam.ac.uk/p1acollections/items/browse%3Ftags=igneous&sort_field=Dublin+Core,Title&sort_dir=d.html
    9 Apr 2024: Browse Items (7 total). Tags: igneous. Sort by:. Formula SiO2 Structure Framework silicate Crystal System Crystal system: trigonal () Physical Properties Colour in hand specimen: colourless Lustre: vitreous Pleochroism: none Cleavage:

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