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where magnetite ore is usedwhere platinum is found

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Where is magnetite mined - Answers

At iron mines :D. Geographically, I don't know, but iron ore is magnetite (Fe2O3.FeO) and hematite (Fe2O3). I hope that helps. Asked in Jamaica, Rocks and Minerals

Why are metal ores useful? | AnswersDrive

The iron itself is usually found in the form of magnetite (Fe3O4), hematite (Fe2O3), goethite, limonite or siderite. Hematite is also known as "natural ore". The name refers to the early years of mining, when certain hematite ores contained 66% iron and could be fed directly into blast furnaces.

Magnetite & Lodestone | Mineral Photos, Uses, Properties

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 6.5. It is often found in the form of isometric crystals. It is the most strongly magnetic mineral ...

Where are Gold Deposits in Canada

The commonest are magnetite and ilmenite (or "black sand"), garnet (or "ruby sand"), zircon (or "white sand"), and monazite (or "yellow sand"). Tinstone is often found in gold placers, and may be a valuable by-product. Platinum (gray) and osmiridium (silvery) should not …

Magnetite Black Sand – Prospectors Choice

Both magnetite black sand and hematite are oxides of iron. These are rather complex inorganic compounds that can occur in various forms. There can be valuable metals in black sands that are magnetic – for example, some of the platinum group metals can exhibit mild magnetic qualities.

Ore genesis - Wikipedia

Endogenous Magmatic processes. Fractional crystallization: separates ore and non-ore minerals according to their crystallization temperature.As early crystallizing minerals form from magma, they incorporate certain elements, some of which are metals.These crystals may settle onto the bottom of the intrusion, concentrating ore minerals there. Chromite and magnetite are ore minerals that form in ...

Magnetite | Minecraft Items | Tynker

Emeralds can be mined from Emerald Ore, which can only be found in extreme hills biomes, making them extremely rare. It will only drop when mined with a Pickaxe made of Iron or Diamond . Emeralds can also be found in villages, as it is the main currency used in the Villager trading system, replacing the Ruby, an item found in older versions ...

Magnetite - Earth and Environmental Sciences

Although hematite is more abundant than magnetite, magnetite has the higher iron content, so magnetite iron ore deposits are highly sought after. Economic magnetite deposits primarily occur in layered igneous rocks that formed from the slow cooling of magma, heavy mineral sedimentary deposits, and Early Proterozoic (2.5 to 1.6 billion years ago ...

Magnetite - Wikipedia

Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe 3 O 4.It is one of the oxides of iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself. It is the most magnetic of all the naturally-occurring minerals on Earth. Naturally-magnetized pieces of magnetite, called lodestone, will attract small pieces ...

Vanadium Mining, Techniques, Mines, Occurence, Processing ...

Vanadium is a soft and ductile, silver-grey metal. Vanadium is normally found within magnetite iron ore deposits, and is usually mined as a byproduct and not as a primary mineral. The general process of obtaining vanadium from its ores is in the form of vanadium pentoxide (V2O5) through performing a variety of processes like smelting, leaching, and roasting after which the pentoxide is reduced ...

The Association of Gold and Magnetite - Gold, Mining and ...

One common type of gold deposit is one where the gold is associated with the mineral magnetite where the gold is formed in skarns of granular magnetite. The mineral has a chemical formula Fe 3 O 4 that is often found in contact metamorphosed areas associated with intrusions of magma into carbonate or silico-carbonate rocks the intrusion itself is usually granite or monzonite-syenite.

Eco-efficient and cost-effective process design ... -

Feb 24, 2015· A significant fraction of iron ore used in steel production comes from magnetite deposits. Magnetite iron ore requires significant beneficiation, which typically involves grinding to a particle size where magnetite is liberated from its silicate matrix. And grinding consumes a lot of energy. This article investigates eco-efficient alternatives for the process design for magnetite iron ore.

Platinum, palladium and gold leaching from magnetite ore ...

A leaching process for platinum contained in a magnetite ore was studied, as an alternative process to cyanidation and aqua regia digestion. The proposed process employs concentrated chloride solutions and ozone gas injection during the entire leaching process. The effect of pH, chloride concentration and temperature was analyzed.

Why we use hematite over magnetite as iron ore? - Quora

Jan 18, 2016· Primarily depends on availability. India has huge quantity of haematite while less magnetite. Also, the magnetite is generally found in ecologically sensitive areas such as the western ghats. The united States, however, use greater amount of magne...

Types of Iron Ore: Hematite vs. Magnetite | INN

Magnetite ore and hematite ore are among the four types of iron ore deposits found in this area. In Minnesota, this type of iron ore is mined mainly in the Mesabi Range, one of the four ranges ...

Magnetite | Mineral Physical - Optical Properties ...

Magnetite is a common ore of iron. It is found disseminated as an accessory mineral through most igneous rocks. It is found disseminated as an accessory mineral through most igneous rocks. In certain types through magmatic segregation becomes one of the chief constituents, and may thus form large ore …

DF2014:Magnetite - Dwarf Fortress Wiki

Magnetite is an ore of iron.It appears as large, oval-shaped clusters inside sedimentary layers.A magnetite cluster may sometimes contain veins of native platinum, which can continue outside of the cluster itself.. In terms of metalsmithing, magnetite is identical to hematite and limonite.However, magnetite is distinguished by the extreme size of each deposit compared to the other iron ores ...

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 properties.

What is common mineral ore of platinum - Answers

What is common mineral ore of platinum? ... Yes- typically platinum, gold, and palladium are found in the same ore. ... Magnetite is a mineral ore of iron.

Black Iron Oxide / Magnetite (Fe3O4) Powder

Magnetite is a natural iron oxide magnet, hence the name, giving it a very nice distinguishing characteristic. Magnetite is the most magnetic of all the minerals on Earth. Magnetite is a member of the spinel group which has the standard formula A(B)2O4. The A and B represent different metal ions that occupy specific sites in the crystal structure.

Which of these is an ore? A. iron B. diamond C. platinum D ...

Sep 27, 2016· Weegy: Chalcopyrite is the ore for copper.User: Which valuable mineral is often found in the rock called kimberlite? A. gold B. silver C. diamond D. platinum Weegy: DIAMOND is often found in the rock called kimberlite.User: Which of these is a benefit of nuclear energy? A. Nuclear materials can be dangerous. B. Nuclear waste must be carefully managed.

Science Test Chapter 9 Flashcards | Quizlet

-magnetite (an iron ore)-galena (a lead ore)-pitchblende (a uranium ore) ... The types of minerals that are most likely to be found in placer deposits are-1.nonmetal native minerals 2.metal native minerals 3.carbonate minerals ... -platinum-feldspar-liquid water-asbestos.

Is Placer Platinum Magnetic? - Gold Nugget Hunting ...

Oct 18, 2012· A naturally occurring platinum-iridium alloy, platiniridium, is found in the mineral cooperite (platinum sulfide, PtS). Platinum in a native state, often accompanied by small amounts of other platinum metals, is found in alluvial and placer deposits in Colombia, Ontario, the Ural Mountains, and in certain western American states.

How to Identify Platinum in Ore Deposits | Sciencing

For my deposit, I have found that gold occurs as small inclusion with size ranging from 100nm to 100μm, hosted by magnetite. I want to compare that to any other similar cases. Cite

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