books iron ore from which magnets are made
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Source: mawdoo3.com
خام الحديد الذي يصنع منه المغناطيس (Info)
يُصنع المغناطيس من أحد خامات الحديد الموجودة على سطح الأرض كأكسيد لحديد وهو الماغنتايت، ذو التركيب الكيميائي (Fe3O4)، حيث يتواجد بألوانٍ تترواح بين الأسود والبني.
