Indium Mineral In Zimbabwesulfides Sphalerite

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Indium Mineral In Zimbabwesulfides Sphalerite

2020-06-02T14:06:51+00:00
  • Trace elements of Indium-bearing sphalerite from tin ...

    2013-09-01  Sphalerite is a principal mineral in these tin-polymetallic deposits and a broad range of In concentration is measured in the ores. There are distinct differences in mode of occurrence of the sphalerite and the distribution of In. The highest In concentration (up to 18 wt.%) occur as a Zn–In mineral within black sphalerite zones in an oscillatory-zoned sphalerite from the Huari Huari

  • Cited by: 73
  • Indium and Antimony Distribution in a Sphalerite from the ...

    Indium concentrations in copper-containing sphalerite can vary in the range of 1500 to 10,000 g/g (e.g., [14,27–30]), up to 6–7 wt.% (e.g., [22,28]) or even 15–20 wt.% (e.g., [12,20]). In contrast to In, Sb enrichment is not often reported in sphalerite. Sb incorporation into ZnS is

  • Author: Thomas Schirmer, Wilfried Ließmann, Chandra Macauley, Peter Felfer
  • (PDF) Indium Extraction from Reiche Zeche Sphalerite and ...

    To overcome these problems, biohydrometallurgy has become the focus of recent research. Biohydrometallurgy utilizes the activity of iron-oxidizing bacteria to catalyze the dissolution of sulfide...

  • Minerals Free Full-Text Indium and Antimony ...

    A sphalerite specimen was characterized with electron probe micro-analysis (EPMA) and atom probe tomography (APT). Based on the EPMA results and a multilinear regression, a relation expressed as Cu = 0.98In + 1.81Sb + 0.03 can be calculated to describe the correlation between the elements. This indicates, that the incorporation mechanisms of In and Sb in the structure differ substantially. Indium

  • Author: Thomas Schirmer, Wilfried Ließmann, Chandra Macauley, Peter Felfer
  • Indium Extraction from Reiche Zeche Sphalerite and ...

    To overcome these problems, biohydrometallurgy has become the focus of recent research. Biohydrometallurgy utilizes the activity of iron-oxidizing bacteria to catalyze the dissolution of sulfide minerals, in our case local sphalerite (ZnS), with the aim of winning zinc and indium.

  • Cited by: 1
  • Indium and germanium in the structure of sphalerite: an ...

    Several hundred analyses were carried out. Sphalerite, devoid of chalcopyrite inclusions, exhibits an oscillatory zoning which can be related to the variation of minor-element concentrations. Indium (up to 1.05 wt. %) is positively correlated with copper, and Cd with Fe. The distribution of these two pairs of elements is antithetic within (110) growth zones. In and Cu show a very complex distribution within

  • Sphalerite: The primary ore of zinc and a collector's gem.

    ProductionEtymologyFormationGeologyChemistryCompositionAppearancePropertiesExamplesSafetyDozens of countries have mines that produce sphalerite. Recent top producers include Australia, Bolivia, Canada, China, India, Ireland, Kazakhstan, Mexico, Peru, and the United States. In the United States, sphalerite is produced in Alaska, Idaho, Missouri, and Tennessee. [1]See more on geology
  • Indium and germanium in the structure of sphalerite: an ...

    The distribution of indium in sphalerite from hydrothermal veins in the Saint-Martinla-Sauveté district (Loire, France) was studied by microprobe. Several hundred analyses were carried out. Sphalerite, devoid of chalcopyrite inclusions, exhibits an oscillatory zoning which can be related to the variation of minor-element concentrations. Indium (up to 1.05 wt. %) is positively correlated with ...

  • Indium distribution in sphalerite from sulfide–oxide ...

    2020-03-17  The study confirms that the dominant substitution for In in sphalerite is 2Zn2+ ↔ Cu+ + In3+ but that Ag and Sn may also play a subordinate role in some sphalerite sub-types via the substitution: 3Zn2+ ↔ Ag+ + Sn2+ + In3+. The study highlights that concentrations of In in sphalerite are likely to be heterogeneous at scales from single mineral grains to that of the deposit. The observed ...

  • Indium - Wikipedia

    Instead, indium is usually a trace constituent of more common ore minerals, such as sphalerite and chalcopyrite. [45] [46] From these, it can be extracted as a by-product during smelting. [47] While the enrichment of indium in these deposits is high relative to its crustal abundance, it is insufficient, at current prices, to support extraction of indium as the main product.

  • Indium Extraction from Reiche Zeche Sphalerite and ...

    Ground ore from Reiche Zeche is mainly comprised of the sulfide minerals sphalerite, galena and pyrite. After the leaching process both the solution and the residue were analyzed either by ICP-MS or XRD.The results clearly show that it is possible to leach indium and zinc from natural sphalerite, but that leaching efficiency is hindered, and dissolved indium removed, by the formation of iron ...

  • Gallium, germanium, indium, and other trace and minor ...

    Gallium, germanium, indium, and other trace and minor elements in sphalerite as a function of deposit type – A meta-analysis by Max Frenzela,1*, Tamino Hirscha, and Jens Gutzmera,b a Helmholtz ...

  • Sphalerite - Wikipedia

    Sphalerite ((Zn, Fe)S) is a mineral that is the chief ore of zinc.It consists largely of zinc sulfide in crystalline form but almost always contains variable iron.When iron content is high it is an opaque black variety, marmatite.It is usually found in association with galena, pyrite, and other sulfides along with calcite, dolomite, and fluorite.Miners have also been known to refer to ...

  • The Occurrence and Enrichment of Scattered Indium: A Case ...

    block that with few sphalerite, indium is often hosted in tin sulfide mineral salts, for instance, the Portuguese Neves Corvo tin-copper deposit contains stannite with indium levels of up to 0.7% [7]. However, independent minerals of indium have rarely been reported. Indium and copper can substitute for zinc [10-11], but only when the concentration of cadmium is within the “indium window ...

  • Sphalerite blende: The mineral sphalerite information and ...

    Sphalerite is a common mineral, and occurs in many distinct colors and forms. Iron impurities are often present in this mineral, and for this reason it is not commonly transparent. If Sphalerite contains a large amount of iron impurities, it will have a metallic dark gray or black color, which is typical of most sulfide minerals. Sphalerite is one of the few minerals that can range from gemmy ...

  • Gallium, germanium, indium, and other trace and minor ...

    2016-07-01  For the reasons stated above, the major conclusions from this subsection must be that: 1) a relationship between fluid salinity and the trace element content of sphalerite probably exists and is likely stronger than the one observed in Figs. 8d, 2) a large part of the unexplained variance seen in PC 2 might reflect the effect of chalcopyrite and potentially other mineral inclusions, but could ...

  • sphalerite close sizing - woningbedrijfwarnsveld.nl

    Sphalerite: Mineral information, data and localities. Sphalerite Group. Sphalerite, also known as blende or zinc blende, is the major ore of zinc. When pure (with little or no iron) it forms clear crystals with colours ranging from pale yellow (known as Cleiophane) to orange and red shades (known as Ruby Blende), but as iron content increases it forms dark, opaque metallic crystals (known as ...

  • Indium-Carrier Minerals in Polymetallic Sulphide Ore ...

    sphalerite, the prototype of so-called tetrahedral sulphides, wherein metal ions fill half of the available tetrahedral sites within the cubic closest packing of sulphur anions, leaving interstices accessible for further in-filling. Ascertaining the tendency towards the establishment of In-In interactions through an x-ray absorption spectroscopy approach would efficiently contribute to ...

  • Indium Extraction from Reiche Zeche Sphalerite and ...

    Ground ore from Reiche Zeche is mainly comprised of the sulfide minerals sphalerite, galena and pyrite. After the leaching process both the solution and the residue were analyzed either by ICP-MS or XRD.The results clearly show that it is possible to leach indium and zinc from natural sphalerite, but that leaching efficiency is hindered, and dissolved indium removed, by the formation of iron ...

  • Mineral Resource of the Month: Indium EARTH Magazine

    Geologically, the occurrence of indium minerals is rare. The element most often occurs as a sulfide inclusion or substitutes in other base-metal minerals, including cassiterite, chalcopyrite, sphalerite and stannite. Indium’s abundance in the crust is estimated to be 0.05 parts per million, which makes it more abundant than silver, but it is so widely disseminated that it does not occur in ...

  • Indium Data Sheet - Mineral Commodity Summaries 2020

    World Resources: Indium is most commonly recovered from the zinc-sulfide ore mineral sphalerite. The indium content of zinc deposits from which it is recovered ranges from less than 1 part per million to 100 parts per million. Although the geochemical properties of indium are such that it occurs in trace amounts in other base-metal sulfides— particularly chalcopyrite and stannite—most ...

  • Indium in Zinc-Lead and Other Mineral Deposits—A ...

    smelting of the zinc-sulfide mineral sphalerite to make zinc metal. Higher concentrations of indium occur in tin minerals in certain types of tin deposits, but are difficult to recover economically. The growing use of indium in high-tech applications, total U.S. import dependency, and a restricted supply dependent on the production of other metals like zinc, make it imperative to have a better ...

  • Sphalerite from southeast Ontario

    Sphalerite from Toyoha in Japan can contain zones with either up to 6.7% indium or 2.3% Sn (Cook et al., 2009). Indium contents are lowest in ores rich in Ge and Ga. The mineral colour is influenced by impurities, e.g., black "marmatite" contains 6% or more Fe.

  • Márquez-Zavalía,M.F. et al. 2020, Indium-bearing ...

    Indium participates in the structure of sphalerite, tennantite-(Zn), ishiharaite and an indium-bearing mineral, still under study, the former being the most abundant of these phases. The chemical composition of sphalerite shows very low concentrations of Fe and a wide range in indium contents from below the detection limit (0.03 wt. %) to values close to 22 wt. %. Atomic proportions of In and ...

  • Indium, germanium and gallium in volcanic- and sediment ...

    Indium is incorporated into these minerals mainly as nano- and micro-scale mineral inclusions (e.g., roquesite inclusions in sphalerite, chalcopyrite, and other sulphides), solid solution through a diadochic replacement of zinc, and in the lattice of tetrahedral-coordinated sulphides. In sphalerite, In is frequently incorporated into the mineral structure via a simple coupled substitution 2Zn2 ...

  • Distribution of trace elements in sphalerite and ...

    The textures of ore minerals and the siting of trace elements within ore minerals are important for ore processing and can reveal the genetic history of an ore deposit. For “classic” ore minerals like sphalerite (ZnS) and arsenopyrite (FeAsS) it is commonly assumed that trace elements are incorporated into the crystal lattice of the host mineral ( e.g., by substitution) if inclusions are ...

  • Occurrence and Chemistry of Indium-containing Minerals ...

    Zn-In mineral and indium sphalerite (substage B): The unnamed Zn-In mineral has a chemical composition at the midst of sphalerite and ro-quesite. It is common in the later-stage veins, and usually occurs within sphalerite (OHTA, 1980). It generally shows concentric parallel in- tergrowth with normal and indium sphalerite. Stannite, kesterite, and chalcopyrite often ac-company them. A unit band ...

  • Sphalerite R040136 - RRUFF Database: Raman, X-ray ...

    Kharbish S (2007) A Raman spectroscopic investigation of Fe-rich sphalerite: effect of Fe-substitution, Physics and Chemistry of Minerals, 34, 551-558 Moura M A, Botelho N F, Carvalho de Mendonça F (2007) The indium-rich sulfides and rare arsenates of the Sn—In-mineralized Mangabeira A-type granite, central Brazil, The Canadian Mineralogist, 45, 485-496 [view file]

  • Indium Definition of Indium at Dictionary

    Indium definition, a rare metallic element, soft, white, malleable, and easily fusible, found combined in various ore minerals, especially sphalerite: so called from the two indigo-blue lines in its spectrum. Symbol: In; atomic weight: 114.82; atomic number: 49; specific gravity: 7.3 at 20°C. See more.

  • Indium - Adex Mining

    Indium (In) is a silvery grey, high-luster metal with a very low melting point. Pure indium almost never exists in nature. Instead, the element occurs as 'stray ions' trapped within the crystals of base-metal minerals. Typically, it is found in sphalerite (a zinc ore), as well as in ores of copper, tin and lead. Today, most of the world's commercial indium is a byproduct of zinc mining.

  • sphalerite close sizing - woningbedrijfwarnsveld.nl

    Sphalerite: Mineral information, data and localities. Sphalerite Group. Sphalerite, also known as blende or zinc blende, is the major ore of zinc. When pure (with little or no iron) it forms clear crystals with colours ranging from pale yellow (known as Cleiophane) to orange and red shades (known as Ruby Blende), but as iron content increases it forms dark, opaque metallic crystals (known as ...

  • Indian Sphalerite: Mineral information, data and localities.

    Semenyak, B.I., Nedashkovskii, A.P., Nikulin, N.N. (1994): Indium minerals in the ores of the Pravourmiiskoe deposit (Russian Far East). Geology of Ore Deposits: 36(3 ...

  • Sphalerite Scientific.Net

    Ground ore from Reiche Zeche is mainly comprised of the sulfide minerals sphalerite, galena and pyrite. After the leaching process both the solution and the residue were analyzed either by ICP-MS or XRD.The results clearly show that it is possible to leach indium and zinc from natural sphalerite, but that leaching efficiency is hindered, and dissolved indium removed, by the formation of iron ...

  • Trace and minor elements in sphalerite: an assessment of ...

    Sphalerite is a common sulphide mineral and occurs in ore deposits of various types. It is the major ore mineral in the majority of Zn-Pb sulphide deposits. The emergence of precise, high-resolution microanalytical methods, such as Laser-Ablation Inductively- Coupled-Plasma Mass-Spectrometry (LA-ICP-MS) has allowed for greater precision in the analysis of the minor and trace elemental ...

  • Distribution of trace elements in sphalerite and ...

    The textures of ore minerals and the siting of trace elements within ore minerals are important for ore processing and can reveal the genetic history of an ore deposit. For “classic” ore minerals like sphalerite (ZnS) and arsenopyrite (FeAsS) it is commonly assumed that trace elements are incorporated into the crystal lattice of the host mineral ( e.g., by substitution) if inclusions are ...

  • The Mt Carlton high-sulfidation epithermal deposit, NE ...

    This study revealed three distinct mineral associations in HS deposits that may contain enrichment in critical elements. These include: (1) gallium enrichment in aluminium-bearing hydrothermal sulfates and silicates; (2) germanium ± indium-gallium enrichment in high-sulfidation enargite ores; and (3) indium-gallium ± germanium enrichment in intermediate-sulfidation sphalerite ores. We ...

  • Occurrence and Chemistry of Indium-containing Minerals ...

    Zn-In mineral and indium sphalerite (substage B): The unnamed Zn-In mineral has a chemical composition at the midst of sphalerite and ro-quesite. It is common in the later-stage veins, and usually occurs within sphalerite (OHTA, 1980). It generally shows concentric parallel in- tergrowth with normal and indium sphalerite. Stannite, kesterite, and chalcopyrite often ac-company them. A unit band ...