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Iron manganese tungstate mineral
Wolframite is an iron, manganese, and tungstate mineral with a chemical formula of (Fe,Mn)WO4 that is the intermediate mineral between ferberite (Fe2+
Wolframite
Chemical element with atomic number 74 (W)
isolated as a metal in 1783. Its important ores include scheelite and wolframite, the latter lending the element its alternative name. The free element
Tungsten
Oxide mineral
(chemical formula MnWO4). It is the manganese endmember of the manganese–iron wolframite solid solution series. It forms reddish brown to black monoclinic prismatic
Hübnerite
Mineral of iron and tungsten
Ferberite is the iron endmember of the manganese–iron wolframite solid solution series. The manganese endmember is hübnerite. Ferberite is a black monoclinic
Ferberite
Law regarding Conflict Minerals
in polyvinyl chloride (PVC) and high performance paint manufacturing. Wolframite is an important source of the element tungsten. Tungsten is a very dense
Conflict_minerals_law
Metals or alloys which do not contain significant amounts of iron
example, bauxite is used as flux for blast furnaces, while others such as wolframite, pyrolusite, and chromite are used in making ferrous alloys. Important
Non-ferrous_metal
Territory in Maniema, DR Congo
Democratic Republic of the Congo. Kailo Territory is home to open pit wolframite and cassiterite mines. 2007, UNICEF, https://www.flickr
Kailo_Territory
Country in East Africa
generating US$93 million in 2008. Minerals mined include cassiterite, wolframite, gold, and coltan, which is used in the manufacture of electronic and
Rwanda
Tungsten and tin mine in Devon, England
in 2019. A ground up review led to the recognition that the ore is not Wolframite, but is in fact a related ore, Ferberite, and changes were needed to improve
Hemerdon_Mine
Crystalline chemical element or compound formed by geologic processes
olivine series of magnesium-rich forsterite and iron-rich fayalite, and the wolframite series of manganese-rich hübnerite and iron-rich ferberite. Chemical substitution
Mineral
Chemical compound
MgWO4. It is a white, water-insoluble solid that crystallizes in the wolframite structure. It occurs naturally as the rare mineral huanzalaite. Magnesium
Magnesium_tungstate
Process of separating components of mixtures by using magnets
magnetic pulleys, overhead magnets and magnetic drums. In mines where wolframite was mixed with cassiterite, such as South Crofty and East Pool mine in
Magnetic_separation
Accumulation of valuable minerals formed by gravity separation
often occurring with black sands are monazite, rutile, zircon, chromite, wolframite, and cassiterite. Early mining operations were probably a result of placer
Placer_deposit
in southeast Nigeria. There is small-scale mining of these minerals. Wolframite (tungsten) can be found in the North states. Bitumen was first discovered
Mining_industry_of_Nigeria
Rock or sediment with valuable metals, minerals and elements
magmas, they are large ore sources of tin and tungsten in the form of wolframite, cassiterite, stannite and scheelite. These are the leading source of
Ore
Bismuth (III) sulfide mineral
aikinite, arsenopyrite, stannite, galena, pyrite, chalcopyrite, tourmaline, wolframite, cassiterite and quartz. It was first reported in 1832 from the mines
Bismuthinite
Mining industry in the Democratic Republic of the Congo
In North Kivu, wolframite occurs in Etaetu (or Eta-Etu) and Bihasha, where artisanal mining continues in primary ore bodies. Wolframite separation began
Mining industry of the Democratic Republic of the Congo
Mining_industry_of_the_Democratic_Republic_of_the_Congo
Independent, small-scale, subsistence mining
Artisanal wolframite mining in Kailo Territory, DRC
Artisanal_mining
Chemical compound
manganese-rich end member of the wolframite mineral series. Manganese(II) tungstate crystallizes in the monoclinic wolframite structure, with space group P2/c
Manganese(II)_tungstate
Chemical compound
is a greenish-blue to blue-black crystalline solid and belongs to the wolframite family of transition-metal tungstates. Cobalt(II) tungstate can be prepared
Cobalt(II)_tungstate
Diplomatic crisis between Spain and the Allied powers of World War II
strategic material used in anti-tank weapons and machine tools. Most of the wolframite mines in Europe, such as the Barruecopardo mine, are in northwestern Spain
Wolfram_Crisis
Calcium tungstate mineral
900 to 21,800 psi). Typical mineral association includes cassiterite, wolframite, topaz, fluorite, apatite, tourmaline, quartz, grossular–andradite, diopside
Scheelite
Mountain in Hong Kong
is mainly composed of granite. Wolframite, molybdenite and quartz ores can be found at the base of the hill. Wolframite, a tungsten ore, was discovered
Needle_Hill
Belgian mining company in Africa
gold ingot and 22,000 tonnes of cassiterite or cassiterite mixed with wolframite or coltan. Most of the working were alluvial, but some followed veins
Compagnie Minière des Grands-Lacs
Compagnie_Minière_des_Grands-Lacs
Tin oxide mineral
intrusives. The veins commonly contain tourmaline, topaz, fluorite, apatite, wolframite, molybdenite, and arsenopyrite. The mineral occurs extensively in Cornwall
Cassiterite
Type of material
Spain, were making early forms of alloy steel by adding a mineral called wolframite, which contained tungsten and manganese, to iron ore (and carbon). The
Metal
Mineral
chalcopyrite, sphalerite, tetrahedrite, arsenopyrite, pyrite, cassiterite, and wolframite. It is also known as bell metal ore as tin is an important constituent
Stannite
Phyllosilicate mineral series in the trioctahedral mica group
tin ore deposits. It is commonly associated with topaz, cassiterite, wolframite, lepidolite, spodumene, beryl, tourmaline, and fluorite. Warr, L.N. (2021)
Zinnwaldite
Group of chemical elements
reducing this acid. In 1783, José and Fausto Elhuyar found an acid made from wolframite that was identical to tungstic acid. Later that year, in Spain, the brothers
Group_6_element
Tidal island in Mount's Bay, Cornwall, England
The fluids were also rich in boron, tin and tungsten, and tourmaline, wolframite and cassiterite are common in the greisen veins. As the area cooled, the
St_Michael's_Mount
Extraction of valuable minerals or other geological materials from the Earth
Artisanal wolframite mining in Kailo Territory, DRC
Mining
Bismuth tungstate mineral
Mine, near St Columb Major in Cornwall, where it was found in 1938 in wolframite. It occurs as a secondary alteration of other bismuth bearing minerals
Russellite_(mineral)
analogue of ferberite, FeWO4, and hübnerite, MnWO4, and belongs to the wolframite group. Sanmartinite crystallizes in the monoclinic crystal system. It
Sanmartinite
Bardhaman, Darjeeling, and Jalpaiguri. Limestone, copper, iron ore, wolframite, manganese, and dolomite are also mined in small quantities. Limestone—used
Geography_of_West_Bengal
to dos Santos. When Pinto arrived at the site and saw the abundance of wolframite, he bought all the ore collected and the land from dos Santos, carrying
Panasqueira
Canadian mining company
concentrate, 6,576 tons of tin, and 32,410 tons of copper concentrate. Its wolframite concentrate is highly regarded for its purity, often commanding a premium
Almonty_Industries
Highly altered granitic rock or pegmatite
may be locally rich in topaz, tourmaline, cassiterite, fluorite, beryl, wolframite, siderite, molybdenite and other sulfide minerals, and other accessory
Greisen
Alloy of tungsten and iron
000,000. Ferrotungsten comes from rich ore raw materials primarily of wolframite or scheelite. MSDS 12ga Star Flash Aerial Diversion Ferro Tungsten American
Ferrotungsten
List of history of chemical elements
which he called tungstic acid. The Elhuyars obtained tungstic acid from wolframite and reduced it with charcoal, naming the element "wolfram". Since that
Timeline of chemical element discoveries
Timeline_of_chemical_element_discoveries
Mineral
Republic of the Congo (then Zaire) usually in the weathering areas of quartz wolframite deposits where it occurs with native bismuth, bismutite, quartz and mica
Zaïrite
State of Nigeria
commercially exploited. Other mineral deposits include baryte, gypsum, feldspar, wolframite, kaolinite, mineral salts and gemstone etc. Agriculture is the mainstay
Benue_State
Chemical compound
bonds). For example, at 40 kilobars, it adopts a structure related to wolframite. Lithium tungstate is used to produce high density aqueous polytungstate
Lithium_tungstate
(group of minerals) Whitlockite Willemite Wiluite Witherite Wodginite Wolframite Wollastonite Woodhouseite Wöhlerite Wulfenite Wurtzite Wüstite Wyartite
List_of_minerals
Abbreviations used in chemistry
stone' (The symbol is from wolfram, the old name of the tungsten mineral wolframite) 75 Re Rhenium Latin Rhenus, 'the Rhine' 76 Os Osmium Greek osmḗ, 'smell'
Chemical_symbol
Province of the Democratic Republic of the Congo
cobalt are mined outside of Kindu. Kailo Territory is home to open pit wolframite and Cassiterite mines. University of Kindu Maniema District Tippu Tip
Maniema
Chemical compound
in the space group P1. Its structure is a distorted derivative of the wolframite structure. The unit-cell parameters have been reported as approximately
Copper(II)_tungstate
Chemical compound
photocatalyst. Zinc tungstate occurs naturally as sanmartinite, a member of the wolframite group. Natural sanmartinite commonly contains some iron and is generally
Zinc_tungstate
reducing this acid. In 1783, José and Fausto Elhuyar found an acid made from wolframite that was identical to tungstic acid. Later that year, in Spain, the brothers
History_of_chemistry
Process of separating commercially valuable minerals from their ores
useful in mining iron as it is attracted to a magnet. In mines where wolframite was mixed with cassiterite, such as South Crofty and East Pool mine in
Mineral_processing
Irish chemist
was an Anglo-Irish chemist and mineralogist. He first had the idea that wolframite might contain a previously undiscovered element (tungsten). In 1771, Woulfe
Peter_Woulfe
Subspecies of ape
tons) of cassiterite (US$45 million), 1,193 tonnes (1,315 short tons) of wolframite (worth US$4.27 million) and 393 tonnes (433 short tons) of coltan (US$5
Eastern_lowland_gorilla
M23 campaign in South Kivu, DR Congo
Kivu's cassiterite and coltan output and more than two-thirds of its wolframite production. While most artisanal and semi-mechanized gold mining in South
2025_Uvira_offensive
used by the British during World War II to deny Nazi Germany access to wolframite from Spain. Similarly, the British and the Americans bought chromite ore
Preclusive_purchasing
Unusual material in terms of materials science
that can be exotic: Cobalt Coltan Diamonds Platinum Titanium Tungsten or Wolframite Uranium Materials with high alloy content, known as super alloys or exotic
Exotic_material
Mountain in Tsuen Wan, Hong Kong
Country Park. The former Lin Fa Shan Mine was located near Sheung Tong. Wolframite was mined there. List of mountains, peaks and hills in Hong Kong Mining
Lin_Fa_Shan,_Tsuen_Wan
Mine in Nogoonnuur, Bayan-Ölgii, Mongolia
exploits the Kyzyl Tau ore field. The main ore minerals in the veins are wolframite, fluorite, beryl and minor molybdenite. The reserves are estimated at
Ulaan-Uul_mine
is characterised by sheeted greisen veining and stockworks containing wolframite and cassiterite. The vein system is hosted within a dyke-like granite
Wolf_Minerals
Corporation in New York, USA
and tungsten, the derivatives of cassiterite, columbite-tantalite, and wolframite) as directed by the Dodd-Frank Wall Street Reform and Consumer Protection
Allied_Motion_Technologies
Granite rock in southwest England
to form greisen and tourmaline. Veins of cassiterite (tin oxide) and wolframite (a mineral containing iron, manganese and tungsten) are found associated
Cornubian_batholith
Former metalliferous mine in Cornwall, UK
dykes. The mine's main produce was copper and later tin, arsenic and wolframite, also small amounts of the ores of bismuth, cobalt and uranium. East Pool
East_Pool_mine
generating US$93 million in 2008. Minerals mined include cassiterite, wolframite, sapphires, gold, and coltan, which is used in the manufacture of electronic
Economy_of_Rwanda
Municipality in Centro, Portugal
olive oil, wine, wood pulp and vegetables. Some of the most important wolframite mines in the world (a mineral source for the element tungsten) are explored
Fundão,_Portugal
Class of minerals containing oxygen
30 Krasnoselskite*, 30 Ferberite, 30 Hubnerite, 30 Sanmartinite, 30 Wolframite*; 35 Tantalite-(Mg), 35 Tantalite-(Fe), 35 Tantalite-(Mn), 35 Columbite-(Mg)
Oxide_mineral
Rare bismuth fluoride mineral
only reported location, it occurs in quartz veins in association with wolframite, native bismuth, bismuthinite, pyrite and chalcopyrite. Despite the obscurity
Gananite
wintergreen wisigoth wisigothe wisigothique withérite witloof wolfram wolframite wollastonite würmien würtzite ( also wurtzite) yacht "yacht" ( < Eng <
List of French words of Germanic origin (H–Z)
List_of_French_words_of_Germanic_origin_(H–Z)
Natural concentration of raw materials in the earth's crust
(Fe,Ni)9S8 Pyrite: FeS2 Scheelite: CaWO4 Sphalerite: ZnS Uraninite: UO2 Wolframite: (Fe,Mn)WO4 Chemistry portal Petroleum reservoir "Introduction to Mineral
Field_(mineral_deposit)
wood, cherries, peaches and other vegetables. Some of the most important wolframite (most important mineral source of the metal tungsten) mines in the world
Cova_da_Beira_Subregion
Chemical compound containing an oxyanion or mixed oxide of tungsten
mineral calcium tungstate, often contains a small amount of molybdate. Wolframite is manganese and iron tungstate, and all these are valuable sources of
Tungstate
WWII operation to restrict supply lines
Europe's leading supplier of tungsten (and scheelite, another member of the wolframite series of tungsten ore minerals), annually providing Germany with at least
Blockade of Germany (1939–1945)
Blockade_of_Germany_(1939–1945)
Wolframite
List of minerals recognized by the International Mineralogical Association (W–X)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(W–X)
1940 Australian film
group of Australian officials are investigating a reported discovery of wolframite, a strategic material needed for the manufacture of munitions. The rich
Wings_of_Destiny
Chinese-Australian miner (1908–1995)
They are also recorded as mining together at Hatches Creek for wolframite. Wolframite is the primary source of the metal tungsten, an incredibly strong
Gloria_Ouida_Lee
Province of the Democratic Republic of the Congo
such as gold, silver, monazite, cassiterite, columbo-tantalite (coltan), wolframite (tungsten oxide), diamonds, pyrochlore, zirconium, quartz, tourmaline
North_Kivu
Type of dam
fluorite, micas, clays, chlorite, K-feldspars and opaque minerals including wolframite. While the tailings are not extensively oxidized, certain areas have elevated
Tailings_dam
Tantalum-niobium ore
in these nature reserves were producing cassiterite, gold, coltan and wolframite, and "most mines were controlled by armed groups." There is a high prevalence
Coltan
Australian mining engineer (1873–1930)
and mining companies. During this expedition Davidson also discovered wolframite at Hatches Creek wolfram field but, as they were looking for gold, this
Allan_Arthur_Davidson
Chemical compound
tungstates, in base. Illustrative is the extraction of sodium tungstate from wolframite: Fe/MnWO4 + 2 NaOH + 2 H2O → Na2WO4·2H2O + Fe/Mn(OH)2 Scheelite is treated
Sodium_tungstate
Country park in the New Territories, Hong Kong
granites are cut by quartz veins containing, amongst other minerals, wolframite, which is tungsten-bearing. Lion Rock has long been a favorite crag for
Lion_Rock_Country_Park
Province of the Democratic Republic of the Congo
mineral-rich deposits, including gold, columbite-tantalite, diamonds, wolframite, tin, monazite, limestone, cassiterite, methane gas, and thermal waters
South_Kivu
Territory in South Kivu, DR Congo
subsoil is rich in mineral resources, including gold, cassiterite, coltan, wolframite, and iron, much of it unexploited. Some of these deposits were previously
Walungu_Territory
County in North Carolina, United States
and platinum, minerals like rock crystal, garnet, tourmaline, slate, wolframite, and the rare-earth element samarskite have been mined in Rutherford County
Rutherford County, North Carolina
Rutherford_County,_North_Carolina
M23 campaign in western North Kivu, DR Congo
(APLCS). Walikale is rich in mineral resources, including tin, gold, wolframite, coltan, and rare earth elements such as monazite. The area is also home
2025_Walikale_offensive
plains and swamps in the east Natural resources gold, tin ore, tantalum, wolframite, methane, hydropower, arable land Natural hazards periodic droughts and
Geography_of_Rwanda
Municipality in Saxony, Germany
is also considered an outlying part of that deposit. Furthermore, the wolframite deposits discovered and mined in the municipal area are interesting. The
Zschorlau
Common name for a chemical substance
for tungsten, W, is based on the German name Wolfram, which is found in wolframite and comes from the German for "wolf's foam", how the mineral was known
Trivial_name
Tin-copper deposit in Russia
(in C1+C2 resources) Minerals: cassiterite, chalcopyrite, arsenopyrite, wolframite, pyrite, cellular-pyrite Non-metallics: quartz-tourmaline, carbonates
Sable_tin_deposit
(German Moldavit), from Moldau (Czech: Vltava) Quartz (German Quarz) Wolframite (German Wolframit) Zinnwaldite (German Zinnwaldit), from Zinnwald (Czech:
List of German expressions in English
List_of_German_expressions_in_English
City in Missouri, United States
in opaque veins of quartz. Careful searchers can also find crystals of wolframite, a tungsten ore that was mined briefly during World War II when access
Fredericktown,_Missouri
intrusions, often with accessory minerals such as fluorite, muscovite, wolframite, columbite, tantalite, tourmaline, topaz, zircon and beryl. Sulfide minerals
Geology_of_Thailand
Group of plutons in central Argentina
deposits is the tungsten that can be obtained from skarns with scheelite and wolframite-bearing quartz veins. Skarns are associated to marble and amphibolite
Achala_Batholith
8861°S 135.188°E / -20.8861; 135.188 Historic Mine Tungsten trioxide (wolframite), Copper, Bismuth, Tungsten Davenport Province Proterozoic Roper River
Mining in the Northern Territory
Mining_in_the_Northern_Territory
Row 6 of the periodic table
1781, and first isolated as a metal in 1783. Its important ores include wolframite and scheelite. The free element is remarkable for its robustness, especially
Period_6_element
Short story by Isaac Asimov
Ganymede which is run by the Ganymedan Products Corporation, which exports wolframite, karen leaves, and oxite to Earth, and which employs the Ossies as a labor
Christmas_on_Ganymede
Town in the Republic of Buryatia, Russia
geological party led by M.V Besova uncovered the first quartz vein with large wolframite crystals in the Gurjirka fall, discovering the Dzhida tungsten deposit
Zakamensk
Geology of region in northwest England
North-south trending veins containing the tungsten minerals scheelite and wolframite are associated with the Skiddaw granite around Carrock Fell in the northern
Geology_of_the_Lake_District
List of IMA recognized minerals and groupings
Ca(V4+)2(V5+)2O10·5H2O Anhydrous Molybdates and Tungstates where A XO4 Wolframite series Wolframite* (Fe,Mn)WO4, Hubnerite MnWO4, Ferberite Fe2+WO4, Sanmartinite
Classification of non-silicate minerals
Classification_of_non-silicate_minerals
Schaller (1914). "Geography and Production". Colorado ferberite and the wolframite series. Government Printing Office. p. 7. Wallace R. Hansen; Eleanor J
Timeline of mining in Colorado
Timeline_of_mining_in_Colorado
British Virgin Islands international business company
mines in Eastern Colombia (Guainía Region) and mixed coltan-cassiterite-wolframite mines in the Democratic Republic of Congo (North Kivu). Nova Dies is not
Nova_Dies_BVI_IBC
Wollaston William Lipscomb William Perkin William S. Knowles Wiserine Wolframite Wollastonite WorldWide Molecular Matrix X-ray photoelectron spectroscopy
Index_of_chemistry_articles
Historic site in Queensland, Australia
geologically rich mineral field. The mineral known as wolfram (also known as wolframite) was discovered in 1894 in the headwaters of the Hodgkinson River scattered
Thermo Electric Ore Reduction Corporation Mill
Thermo_Electric_Ore_Reduction_Corporation_Mill
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