Magnetite: properties and application of mineral

Magnetite: properties and application of mineral

Magnetite has become famous in ancient times. For example, in China they learned about him before our era, there are also mentions recorded in the IV century. In those long-standing times, magnetite used as a compass, and recognized new worlds.

In his writings, the famous philosopher Plato writes about magnetic stone, noting that the magnetite can not only attract products from the metal, but also to give their energy.

Features and composition

According to the legend, the magnetite acquired its name thanks to the name of the Greek shepherd, which sounded like Magnes. His shoes, as well as the lower part of the Sour, were made of iron and always pulled the stones to themselves. Another legend says that the name mineral received from the Turkish city of Magnesia. Near Magnesia, a mountain was located, and he often beat Zipper.

Magnetite changed his name several times. So, until the Middle Ages, he was mentioned as a magnet, then as a magnetic Zheleznyak. The modern name “Magnetite” began to be used only in 1845.

Magnetite refers to oxide class. Its main chemical composition includes iron oxide. At the same time, the presence in the minerals of impurities: manganese, aluminum, zinc and other. Chemical Formula Magnetite Feoxfe2O3. Theoretically, it contains pure iron FEO and Fe2O3 to 31.03% and 68.97%, respectively. As a rule, these compounds are relatively clean in composition.

With red ride to the point of Curie, equal to 580 degrees Celsius, the magnetism of the mineral completely disappears, but restored during cooling. In nature, the magnetic ironhouse is detected in the form of crystals, drain masses, grainy formations.

Allocate other representatives of a number of magnetite: it Magnesioferritis, Franklinite, Jacobsitis, Treversit, Ulvösucpinel.

    Known the following varieties of magnetic ironing.

    • Titanoagnetitis. This is a titon magnetite, with the content of TiO2 (a few percent).
    • Kulsonite. This type can be called vanadium magnetite because it contains Vanadium here.
    • CR-Magnetite. This is a chrome magnetite with CR2O3 content.
    • Mg magnetite. Mineral containing magnesium.
    • Al-magnetite. Mineral, in the formula which is present aluminum.
    • Maggemit. The name is formed from the first syllables of the names “Magnetite” and “Hematite”. This species meet only occasionally.

    Origin and field

    Mineral Magnetite Education are iron ores containing iron and having an ability to attraction. Magnetite is formed from magmatic rocks, such as granite, dioritis and other.

    In the breed it is in the form of a homogeneous mass or in the form of inclusions. In small quantities, magnetite is located in most breeds with a coarse-grained structure, in a joint stay with such minerals as biotit, Sfen, Apatite. In exogenous conditions (with the interaction of the Earth shell with hydrosphere, atmosphere and biosphere) the appearance of magnetite, rather, exception.

    There is an assumption that in our days, finding magnetite grains in the sea or remained sediment was not only the result of their hitting from the coastal zone, but also the consequence of new formations in place due to iron hydroxides under the reducing effect of decaying organic.

    In the collision zones of lithospheric stoves also occurred the formation of large reservoir and lens-shaped hematito-magnetic ore deposits among the ancient sedimentary strata. At the time of mechanical action on the Magnetite Mountain Breed, released from satellite minerals, crumbles into the smallest fraction. In this case, the concentration of placers in the river and sea sand occurs.

    On the territory of our country, magmatic fields of magnetite can be detected In the Chelyabinsk region (Kusinskoye field). Titanagnetite with a high percentage of Vanadium content is mined here. This field is enriched with purely. In the south of the Urals there is a development of the Copanian field of Titanagnetite, with content of titanium enclosures. Iron-containing quartz minerals are located On the Kola Peninsula in Olenegorsk and in the west Karelia in Kostomuksha. Removal and Swedish quartzite storerooms.

    One of the rich fields of Magnetitis is in Krivoy Rog (Ukraine). In the thickness of quartzites there are layered deposits and formations that have a pillars figure and lenzide in the diameter. A similar field is located southeast of Kursk and is known as Kursk Magnetic Anomaly.

    In Kazakhstan, magnetite is mined in the Kustanai region. It is worth noting that this is a very large deposit whose volumes exceed the stocks of magnetic ores in the Urals. Canada Magnetite found in Sudbery administrative district. In addition, pegmatite deposits containing magnetite inclusions are in Norway and USA.


    Magnetites are inconspicuous transparency.

    Color gamut stone is close to black and gray colors and shades: black, dark gray, dark-brown color. Some copies closer to the edge have bluish.

    Most of the produced magnetites have a metal glitter. In addition, matte and resin options are found.

    Physiochemical properties

    Mineral hardness is in the interval from 5.5 to 6 points on the Moos scale. Also the stone has Moderate brittleness, imperfection of sphydrel, sink or smooth stepped inamy and cubic structure.

    During crushing, the mineral goes into the sand, without loss of magnetism. Magnetic sandbanks stretch to different poles.

    The electrically conductive properties of magnetite is rather low, it is a semiconductor. His density – 5.2 g / cm3. Melting Melting Melting Temperature – 1591 degrees on Celsius scale. In addition, the mineral in powder state is soluble under the influence of hydrochloric acid, and also demonstrates the properties of a weak base, slowly dissolving in water.

    In the presence of the presence of sulfide compounds, the mineral is transformed into hematite or lemonitis.


    A distinctive feature, which indicates when describing the magnetite, is its ability to attract and magnetize iron. This feature is actively used to detect the magnetic stone deposits. Stones show polar magnitude, have the North and South Poles.

    It is also worth noting that magnetites are capable of attracting not only iron. Not so much, but still they affect nickel, cobalt, manganese, platinum, gold, silver, aluminum. The repellent effect of magnetite has on zinc, lead, sulfur, bismuth.


    Magnetite is known as a magic stone.

    It is used for the manufacture of amulets and magic attributes, he also protects during the passage of rituals.

    This stone is recommended for the development of extraordinary abilities and as a talisman in creative activity.

    Records that have come down to this day show that Alexander Macedonsky issued every Magnetite pebble to each his warrior, who during the battle had to defend evil forces.

    Also, magnetic Zheleznyak helps to act correctly in adverse circumstances, and is recommended for wearing people who are constantly losing something. It is used as whaling from the witchcraft spell, the evil eye and dark forces, and advise you to take a large cluster of people. Most of all magnetite energy forces are suitable for representatives of zodiac constellations Aquarius, twins, Virgo and Capricorn.


    Apply such a mineral quite widely. He received special distribution in industry and medicine.

    In medicine

    Therapeutic properties of magnetite were notified in ancient times. Since the XVII century, a multitude of nervous ailments were treated with this mineral, such as convulsions, paralysis, strongest headaches, depressive states.

    Currently, the area of ​​medical use of Magnetitis has become even wider. Its uses its use for massage, in the fight against cellulite formations, in the treatment of various kinds of diseases.

    It is known as the wound healing catalyst and as an antibacterial mineral.

    Also resort to it In the treatment of eye diseases, bronchitis, poliomyelitis, to facilitate seizures, in Parkinson’s disease, radiculitis. It has a positive effect on the treatment of varicose disease.

    In addition, magnetite has Rejuvenating effect. This effect was confirmed in a laboratory, where studies were conducted on the representatives of the animal world. Existing scientific developments make it possible to use the formation of nanoparticles of magnetite with gold in medicinal purposes – To diagnose cancer and combat them.

    It is not recommended to use magnetic products to use magnetic purposes because there may be certain contraindications for this.

    Magnetite treatment must be discussed with the doctor.

    In industry

    Iron, special steel and electrodes are obtained from ore magnetite, phosphorus and vanadium are obtained during its processing. From the concentrate of the ore magnetite remaining after washing, gold mined in some areas of our country. In view of good density, inertness and lack of toxicity mineral found application As a filling substance of sports weights.

    In the jewelry industry, magnetite is practically not used because it does not have enough density and hardness.

    In isolated cases, stones with spectacular color can enter into silver frames. Most often from magnetite makes such jewelry as bracelets, china and talismans.

    Metal notes are often used in perfumery. With the help of chemical compounds in the composition of the spirits, the smell of iron is introduced.

    Ions of iron, connecting with lipid peroxide, lead to their decomposition, which favors the formation of volatile compounds with intense aroma.

    Interesting Facts

    Consider a few stunning facts about magnetite.

    • One of the most beautiful women – Tsarina Cleopatra, wore magnetite jewelry to extend the youth.
    • Many scientists came to the conclusion that birds are able to see the magnetic field of the Earth. Pernaya This ability helps to find a house during flights to long distances.
    • Before the law on energy preservation, people made many attempts to use the properties of magnetic stone. They were interested in infinite magnetic field energy.
    • Many years ago, traveling magicians of ancient Greece arranged ideas around the world. The links of large circles hung separately over each other and did not fall. Those present at such a show believed in the existence of supernatural forces that help artists.

    How to distinguish natural stone from fake?

    Magnetite is not a representative of a high price segment, so his fake is not considered a profitable. Often it is simply confused with hematite, gothitis, gausmanitis, chromite.

    To check the stone on authenticity, you need to explore it for the presence of a magnetic field, because only magnetite can be able to show magnetic properties.

    Also any such stone has a cool metal glitter.

    About how you can get a magnette from sand dropping, you can learn from the video below..

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