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  2. Lateritic nickel ore deposits - Wikipedia

    en.wikipedia.org/wiki/Lateritic_nickel_ore_deposits

    This ore is so rich in limonite (generally grading 47% to 59% iron, 0.8 to 1.5% nickel and trace cobalt) that it is essentially similar to low-grade iron ore. As such, certain steel smelters in China have developed a process for blending nickel limonite ore with conventional iron ore to produce stainless steel feed products like nickel pig iron.

  3. Limonite - Wikipedia

    en.wikipedia.org/wiki/Limonite

    Limonite (/ ˈ l aɪ m ə ˌ n aɪ t /) is an iron ore consisting of a mixture of hydrated iron(III) oxide-hydroxides in varying composition. The generic formula is frequently written as FeO(OH)· n H 2 O , although this is not entirely accurate as the ratio of oxide to hydroxide can vary quite widely.

  4. Mineralization (geology) - Wikipedia

    en.wikipedia.org/wiki/Mineralization_(geology)

    The term can also refer to the process by which waterborne minerals, such as calcium carbonate , iron oxide (hematite or limonite) or silica , replace organic material within the body of an organism that has died and was buried by sediments. [2] Mineralization may also refer to the product resulting from the process of mineralization.

  5. Template:Table of phase transitions - Wikipedia

    en.wikipedia.org/wiki/Template:Table_of_phase...

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  6. Pseudomorph - Wikipedia

    en.wikipedia.org/wiki/Pseudomorph

    Silica pseudomorph after gypsum crystals and silicified serpulid polychaete tubes Pseudomorph of goethite after pyrite. In mineralogy, a pseudomorph is a mineral or mineral compound that appears in an atypical form (crystal system), resulting from a substitution process in which the appearance and dimensions remain constant, but the original mineral is replaced by another due to alteration, or ...

  7. Phase-change material - Wikipedia

    en.wikipedia.org/wiki/Phase-change_material

    Ice, for example, requires 333.55 J/g to melt, but then water will rise one degree further with the addition of just 4.18 J/g. Water/ice is therefore a very useful phase change material and has been used to store winter cold to cool buildings in summer since at least the time of the Achaemenid Empire .

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