Mindatorg - Mines, Minerals and More

Welcome Mindatorg is the world's largest open database of minerals, rocks, meteorites and the localities they come from Mindatorg is run by the not-for-profit Hudson Institute of Mineralogy...

Magnetite - YouTube

Aug 30, 2014· Magnetite is a mineral, one of the three common naturally occurring iron oxides (chemical formula Fe3O4) and a member of the spinel group Magnetite is the most magnetic of all the naturally ....

Magnetite: The mineral Magnetite information and pictures

Magnetite is an important ore of iron Well formed crystals are popular among mineral collectors, and the magnetic Lodestone variety is frequently sold in hobby shops to amateur collectors Magnetite is also of significant interest to the science community due to its strong magnetic properti...

List Common Oxide Minerals - Mineral Processing & Metallurgy

Oxide minerals can be listed as compounds of oxygen with metals A list of the common oxide minerals with the spinel structure, together with their compositions, u values, cell dimension and structure type Pure end member compositions of these minerals arc rare in nature, and cation substitution, especially between cations of similar size and valence, results in extensive solid solutions ....

What Are the Uses of Magnetite? | Reference

The magnetite can be reused in this process 90 percent of the time Magnetite is also used as a source of iron to manufacture iron-based chemicals and fertilizers Ferric chloride and ferric sulphate are manufactured with magnetite as one of the starting materials These chemicals are effective in clarifying raw water in water purification plants...

Magnetic mineralogy - Wikipedia

Magnetic mineralogy is the study of the magnetic properties of mineralsThe contribution of a mineral to the total magnetism of a rock depends strongly on the type of magnetic order or disorder Magnetically disordered minerals (diamagnets and paramagnets) contribute a weak magnetism and have no remanenceThe more important minerals for rock magnetism are the minerals that can be ,...

A Brief Overview of the Diverse Uses and Properties of ,

Magnetite is the most magnetic mineral that is found on Earth Its color ranges somewhere between black and dark brownish black and this mineral has a metallic luster like most metallic minerals do It ranks between 5-6 on the Mohs scale of mineral hardness...

Magnetite - definition of magnetite by The Free Dictionary

Define magnetite magnetite synonyms, magnetite pronunciation, magnetite translation, English dictionary definition of magnetite n The mineral form of black iron oxide, Fe3O4, that often occurs with magnesium, zinc, and manganese and is an important ore of iron n a black magnetic....

Magnetite Prices, Wholesale & Suppliers - Alibaba

Alibaba offers 513 magnetite prices products About 33% of these are iron ore, 19% are mineral separator, and 6% are magnetic materials A wide variety of magnetite prices options are available to you, such as magnetite, hematite, and pyrit You can also choose from fines (powder), lump, and mine As well as from non-concentrate, is ....

Magnetite Mineral Occurrence, Uses, Physical and Optical ,

Apr 27, 2018· Magnetite is rock mineral and one of the most importan iron ore minerals with chemical formula is iron(II,III) oxide, Fe2+Fe3+2O4 It also Magnetite is as the name magnetic minerals to attracted to a magnet It is the most magnetic natural occuring minerals in the World Small grains of magnetite occur in almost all igneous and metamorphic rocks...

Difference Between Magnetite and Hematite l Magnetite vs ,

Jan 28, 2012· However, magnetite has a black streak, whereas hematite has a reddish brown streak As another difference between magnetite and hematite, hematite is a component of rust, but magnetite is not Moreover, when considering the magnetic properties of the two minerals, magnetite is a naturally strong magnet, but in hematite, magnetism occurs upon ....

Magnetic properties of rocks and minerals - ALASKA GOLD

Magnetic Properties of Rocks and Minerals Christopher P Hunt, Bruce M Moskowitz, Subir K Banerjee 1 INTRODUCTION This is an updated collation of magnetic parameters of rocks and minerals for geologists, geochemists, and geo- physicists Since the publication of the previous edition of Handbook of Physical Constants [74], two other collations...

The Magnetic Minerals - Amethyst Galleries' Mineral Gallery

The Magnetic Minerals are few, but the property is important because of this fact Once a specimen is established as magnetic, identification becomes a rather routine exercise The mineral magnetite is named after this characteristic Magnetism occurs (most often) when there is an imbalance in the structural arrangement of the iron ions...

MAGNETITE (Iron Oxide) - Amethyst Galleries Mineral Gallery

Magnetite is the primary oxide of iron found in meteorites (and thus presumably in asteroids) Thermite is a mixture of powdered magnetite and powdered aluminum When ignited, the aluminum fuel burns using the magnetite as an oxidizer, resulting in much heat, aluminum oxide (corundum), and molten iron...

Magnetite | Fe3O4 - PubChem

Iron (II,III) oxide (Fe3O4) It is a black ore of IRON that forms opaque crystals and exerts strong magnetism...

Magnetite - Wikipedia

Magnetite is very easy to identify It is one of just a few minerals that are attracted to a common magnet It is a black, opaque, submetallic to metallic mineral with a Mohs hardness between 5 and 65 It is often found in the form of isometric crystals It is the most strongly magnetic mineral ....

Magnetite Mineral Specimens: - Mineralminers

Magnetite crystals and magnetite mineral specimens at mineralminers: your on-line link direct to the natural iron ore mines for specimens of natural magnetic lodestone, massive magnetite iron ore available in bulk, and natural magnetite octahedrons in matrix...

Magnetite - sandatlasorg

Magnetite (Fe 3 O 4) is a common iron oxide mineralIt is a member of the spinel group These are minerals that share the same structure but differ in chemical composition Other notable members of the group are chromite and spinelMagnetite is among the two major sources of iron...

Classes of Magnetic Materials - Institute for Rock Magnetism

Classes of Magnetic Materials The origin of magnetism lies in the orbital and spin motions of electrons and how the electrons interact with one another The best way to introduce the different types of magnetism is to describe how materials respond to magnetic fields This may be surprising to some, but all matter is magnetic...

Hematite: A primary ore of iron and a pigment mineral

Many of the sedimentary iron deposits contain both hematite and magnetite as well as other iron minerals These are often in intimate association, and the ore is mined, crushed, and processed to recover both minerals Historically, much of the hematite was ,...

MAGNETITE Mineral Facts & Information Page

Magnetite mineral information page at mineralminers: your on-line link for factual scientific & mineralogical magnetite information about the natural iron ore known as magnetite and also lodestone, with links to natural magnetite specimens and magnetite samples as well information on magnetite mining locations and background info on magnetite physical properties, occurance, magnetite ....

Geology - rocks and minerals

Magnetite Magnetite is a natural magnet, hence its name This is a distinguishing characteristic of the mineral Magnetite is a common accessory mineral in igneous rocks and is also found as a detrital mineral, particularly on the beaches west of Auckland (black sand)...

Magnetite - Witchipedia

Home » Book Of Shadows » Crystal Lore » Stones, Minerals, Metals And Crystals » Magnetite Magnetite is a major iron ore and is best known for its magnetic properti All magnetite can be attracted by a magnet and sometimes magnetite becomes a magnet itself Naturally magnetized magnetite is also called lodestone...

Magnetite: Mineral information, data and localiti

Jacobsite-Magnetite Seri Magnesioferrite-Magnetite Seri Magnetite is an important iron ore, along with hematite Nanoinclusions of magnetite crystals cause the iridescence of Rainbow obsidian (Nadin, 2007) Extremely thin layers of 200-nm octahedral crystals of magnetite give some basalt surfaces an iridescent sheen (Nadin, 2007)...

Magnetite Facts & Figures | The Magnetite Network

The main iron mineral in magnetite ore is the ferrous iron oxide magnetite (Fe 3 O 4) Magnetite ore requires complex processing to separate magnetite minerals from other minerals in the ore to produce an almost pure magnetite concentrate with an iron content of between 68% Fe and 70% Fe that is highly sought after by steel makers...

Magnetite Mineral Gallery in Online Mineral Museum ,

Online mineral museum photograph archive of minerals: Magnetite Mineral Gallery Magnetite Minerals This gallery is part of the photographic archive of minerals The minerals illustrated sold previously and are for photographic reference only Click here to see Online Mineral Gallery...

Category:Magnetite - Wikimedia Commons

This page was last edited on 5 January 2019, at 20:35 Files are available under licenses specified on their description page All structured data from the file and property namespaces is available under the Creative Commons CC0 License; all unstructured text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply...

Magnetite - Handbook of Mineralogy

Magnetite Crystal Data: Cubic Point Group: 4/m 321m Typically octahedral, less commonly dodecahedral, striated II [011]on {OIl}, to 25em, very rarely cubic; skeletal, granular, massive Twinning: On {Ill} as both twin and composition plane, the spinel law, as contact twins, flattened, lamellarPhysical Properties: Cleavage: Parting on {Ill ....

Magnetite | Mid-Georgia Gem and Mineral Society

Magnetite is ferrimagnetic and is the most strongly magnetic mineral found in nature It is attracted to a magnet and can be magnetized to become a permanent magnet itself A naturally magnetized piece is called lodestone and was used by ancient people as crude compass...

Magnetic Properties: Mineral Properties - The Mineral and ,

Magnetic properties of minerals are defined as follows: Ferromagnetism describes strong attraction to magnetic fields This property is exhibited in few minerals, notably Magnetite and Pyrrhotite Paramagnetism is weak attraction to magnetic fields The attraction is usually discernible, but it may be so weak that it is undetectable...