Chemical formula for galena

The chemical formula of galena is PbS (lead sulfide). It belongs to the isometric crystal system, most common crystal shapes are cubes, octahedrons, and their combinations. The dodecahedron crystal shapes are much less common, over 40 galena crystal shapes are known.

Chemical formula for galena. Chemical Formula: CaMg(CO3)2 : Composition: Molecular Weight = 184.40 gm Calcium 21.73 % Ca 30.41 % CaO ... Oxygen 52.06 % O _____ _____ 100.00 % 100.00 % = TOTAL OXIDE: Empirical Formula: CaMg(CO 3) 2: IMA Status: Valid Species (Pre-IMA) 1791 : Locality: Link to MinDat.org Location Data. Name Origin: Named after the French …

They obtained that the leaching process was controlled by the shrinking core model for surface chemical reaction (Wu et al., 2016). Amalia et al. (2017) studied the leaching behaviour of galena ...

May 1, 2020 · The results indicated that appropriate galena surface oxidation and pulp oxidation environment are the prerequisites for HA adsorption on galena. Adsorbing HA …You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: What is the maximum mass of pure lead that could be extracted from 7.5 kg of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to the correct number of significant digits.Sugar: Common table sugar, or sucrose, is a hydrate. Its chemical formula is C12H22O11·H2O, indicating the presence of one water molecule per sucrose molecule. This water molecule contributes to the crystalline structure of sugar. Honey: Honey is a natural sweetener that contains water molecules as hydrates.Sep 4, 2023 · Chemical Formula: PbS (Lead Sulfide) Molecular Weight: 239.27 g/mol Crystal System: Cubic Hardness: 2.5 on the Mohs scale, which means it is relatively soft and can be easily scratched. Color: Galena is typically bluish-gray to silver in color but can tarnish to a dull gray. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: What is the maximum mass of pure lead that could be extracted from 5.0 kg of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to 2 ...Galena is the primary ore mineral of lead. Worked for its lead content as early as 3000 BC, it is found in ore veins with sphalerite, pyrite, chalcopyrite, tennantite-tetrahedrite, etc. and in skarns, as well as in sedimentary rocks where it may replace carbonate beds or be deposited in pore spaces. The crystals are bright when fresh but often ... 5.2 Chemical Weathering ... The equation shown here is for olivine, but it could apply to almost any other ferromagnesian silicate, including pyroxene, amphibole, or biotite. Iron in the sulphide minerals (e.g., pyrite) can also be oxidized in this way. And the mineral hematite is not the only possible end result, as there is a wide range of ...

The results indicated that appropriate galena surface oxidation and pulp oxidation environment are the prerequisites for HA adsorption on galena. Adsorbing HA on fresh galena surfaces is difficult. HA was chemically adsorbed onto lead sulfate, and the chemical equation is: (31) nPbSO 4 + 2HA n− → Pb n (HA) 2 + nSO 4 2−Bihar Board. Class 9; Class 10; Class 11; Class 12; CBSE Board Galena Meanings, Zodiacs, Planets, Elements, Colors, Chakras, and more. Science & Origin of GalenaGalena is a lead sulfide mineral that crystallizes in the form of masses, cubes, octahedrons, and fibrous layers. Today, it's the most important lead ore when it comes to the production of goods. This mineral was first described back in 77 A.D. by …Apr 28, 2022 · Galena is a mixture, not a compound and so it does not have a chemical formula. It is a mixture of sulphides of lead, silver, arsenic, antimony and copper. It is mainly PbS. Supergene assemblage I contains common microscopic anglesite replacing galena and two sub-groups of arsenates with sulphide relics in small quartz veins: (a) in close association with the relic ...General Galena Information : Chemical Formula: PbS : Composition: Molecular Weight = 239.27 gm Lead 86.60 % Pb Sulfur 13.40 % S _____ 100.00 % : Empirical Formula: PbS : Environment: Lead sulfide ore veins, and disseminated in igneous and sedimentary rocks. IMA Status: Valid Species (Pre-IMA) Prehistoric : Locality: 1. Galena is lead ore with formula PbS while pyrite is iron ore having formula FeS2. In Other words, Galena is sulfide of lead and pyrite is sulfide of iron. 2. Galena is gray in color, it can be different shades of gray from light to dark, where as pyrite is brass yellow in color and often termed as fool’s gold due to its gold like ...

Chemistry questions and answers. What is the maximum mass of pure lead that could be extracted from 2.0 kg of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to the carrect number of significant digits.We're toid oxygen is the most coenmon element in the Earth's solid crust.Chemical Formula: PbS Locality: Joplin district of Missouri, Kansas, and Oklahoma and other world wide occurrences. Name Origin: The Roman naturalist, Pliny, used the name galena to describe lead ore. Galena, also called lead glance, is the natural mineral form of lead(II) sulfide. It is the most important ore of lead and an important source of ...Question: What is the maximum mass of pure lead that could be extracted from 5.0 kg of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to 2 significant digits. …Les minéraux entre le Big Bang et les étoiles. MinDat.org (Jolyon Ralph listings) Mineralogy Club of Antwerp, Belgium (Michael Cooper list) MinLex (Deutsch) "Mineral Lexicon". MinMax (Deutsch) MinMax (English) The Mineral and Gemstone Kingdom. Over 4,714 mineral species descriptions are included in this HTML-linked alphabetical listing of all ... Galena has metallic to lead-gray, cube-shaped crystals that break into cubic, right-angled fragments. It is an ore—a mineral of economic value—that was once mined in southeastern Kansas for its lead content. The Tri-State mining district, which includes the far southeastern corner of the state, was formerly one of the most important lead ...

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Galena, a gray lead sulfide (PbS), the chief ore mineral of lead. One of ... For chemical formulas and detailed physical properties, see sulfide mineral (table).A major and primary Lead mineral is galena (chemical formula = PbS) which comprises of 86.6% of Lead [1]. In order to smelt this mineral, a blast furnace is ...Sphalerite is found associated with galena in lead-zinc deposits. It occurs in hydrothermal vein deposits, contact metamorphic zones, and replacement deposits formed at high temperature (1,065°F/575°C or above). It is also found in meteorites and lunar rocks. ... The chemical formula (Zn, Fe) of sphalerite is S. It is a zinc sulphide ...Introduction. Lead sulfide (PbS) is known as the main component of galena [ 1]. At present, the commonly used methods used to prepare metal lead from galena include KIVCET [2 ], Queneau–Schuhmann–Lurgi (QSL) [ 3 ], Ausmelt (ISA) method [ 4] etc. KIVCET is referred to as a flash smelting technology intended to treat the high-grade lead ...Galena is a lead sulfide mineral with the chemical formula PbS. It consists of lead (Pb) and sulfur (S) atoms arranged in a cubic crystal lattice structure. Unlike minerals with magnetic properties, such as magnetite (Fe3O4), galena lacks the necessary combination of elements and atomic arrangement to exhibit magnetism.

2 days ago · Chemical Formulas as Conversion Factors • 1 spider 8 legs • 1 chair 4 legs • 1 H 2 O molecule 2 H atoms 1 O atom . ... Chemical formula for galena; Chemical composition of fungi; What is the chemical composition of saliva; Zdc2 material properties; Mesosphere chemical composition;General Galena Information : Chemical Formula: PbS : Composition: Molecular Weight = 239.27 gm Lead 86.60 % Pb Sulfur 13.40 % S _____ 100.00 % : Empirical Formula: PbS : Environment: Lead sulfide ore veins, and disseminated in igneous and sedimentary rocks. ... The Roman naturalist, Pliny, used the name galena to describe lead ore. Name ...Wood does not have a chemical formula because it is not an individual chemical compound but is made up of many chemical structures. Within its cellular structure, there are three chemical components which are principally composed of carbon,...Galena's chemical formula is PbS. This expresses that a lead sulfide molecule is composed of one lead (Pb) cation (positive ion) and one sulfur (S) anion. Each ion forms an octahedral structure by ...Chemical formulas are symbolic expressions of chemical compounds. The chemical formula for calcium carbonate is CaCO 3. The formula tells us that the ratio of calcium to carbon to oxygen is 1 (Ca) to 1 (C) to 3 (O 3). The "3" after the "O" means that for every atom of calcium and carbon in the bond, there are three atoms of oxygen. Because the ...Galena is the primary ore mineral of lead. Worked for its lead content as early as 3000 BC, it is found in ore veins with sphalerite, pyrite, chalcopyrite, tennantite-tetrahedrite, etc. and in skarns, as well as in sedimentary rocks where it may replace carbonate beds or be deposited in pore spaces. The crystals are bright when fresh but often ... Chemical formula of Mineral Galena. Pbs. Metallic Luster means. mineral looks like a metal. Hardness of 2.5 means. can scratch mineral with fingernail. cubic cleavage means cleavage is going in. two directions at right angles. PbS. Galena is a lead sulfide mineral with a chemical composition of PbS. It is the world's primary ore of lead and is mined from a large number of deposits in many countries. It is found in igneous and metamorphic rocks in medium- to low-temperature hydrothermal veins. In sedimentary rocks … See more

Chemical Formula: Fe++Fe+++2O4 : Composition: ... Empirical Formula: Fe 3+ 2 Fe 2+ O 4: Environment: Common accessory mineral in igneous and metamorphic rocks. Can be ...

Study with Quizlet and memorize flashcards containing terms like galena, chemical formula for galena, graphite and more.Galena meaning: Named by Pliny the Elder in 77-79 from the Greek "galene" meaning "lead ore". Galena chemical formula: PbS Galena composition: The main mineral is lead sulfide, with a lead content of 86%. Silver is its most common gauge mineral, followed by copper and zinc, and sometimes gold, iron, cadmium, antimony, bismuth, arsenic, and ...Stibnite (sulfur+ antimony) Chemical composition: Sb 2 S 3. Galena (sulfur+ lead) Chemical composition: PbS Sulfates (sulfur + oxygen + other elements) Barite (sulfur + oxygen + barium) Chemical composition: BaSO 4 Gypsum (sulfur + oxygen + barium) Chemical composition: CaSO 4 *H 2 O Halides (chlorine or fluorine + other elements)JNTU Hyderabad B.Tech Non-Ferrous Extractive Metallurgy Mid - I, September - 2014 Question PaperMinerals (G-M) » Minerals (O-S) » Kirkby Teaching Materials Galena Sulfide mineral About Galena In Our Earth In Our Society In Our Future In the Upper Midwest Gallery Galena Properties Commonly confused with... Did you know... Galena is the most abundant lead mineral, has been mined for millennia, and remains our major source of that metal.Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver. Galena is one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic crystal system often showing octahedral forms.The mineral galena is composed of lead(II) sulfide and has an average density of 7.46 g/cm3. How many lead atoms are in 8.69 dm3 of galena? A sample of silver with a mass of 8.44 grams reacts with sulfur to form a compound that has a mass of 9.69 grams.Chemical Formula: (Zn,Fe)S ... 100.00 % : Empirical Formula: Zn 0.95 Fe 2+ 0.05 S : Environment: In sulfide ore veins in all rock classes. ... False Galena : ICSD 60378 Crystals , rocks , silicate, non-silicate, Uses, Hardness, chemical formulas. Learn with flashcards, games, and more — for free.

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With the help of Chemical formulas, you can check the number of atoms and elements in the compound. ... Galena. Lead (II) Sulphide. PbS. Galena is mined for its silver content and it is a primary ore of lead. Glauber’s Salt. Sodium Sulphate Decahydrate. Na 2 SO 4.10H 2 O. It is used for medicinal purposes for the removal of certain drugs ...17-Feb-2015 ... The chemical formula for Galena is PbS, and it has a hardness of 2.5-3 on the Mohs scale. Being mainly lead, it feels very heavy when held ...Aug 5, 2018 · Systematic (IUPAC) Name: copper (II) sulfate pentahydrate. Common Names: copper (II) sulfate, copper (II) sulfate, cupric sulfate, cupric sulfate. Vernacular Name: copper sulfate, copper sulfate. Archaic Name: blue vitriol, bluestone, copper vitriol. CAS Number: 7758-99-8. There are many ways to name a chemical.2.3 Mineral Groups Most minerals are made up of a cation (a positively charged ion) or several cations and an anion (a negatively charged ion (e.g., S 2–)) or an anion complex (e.g., SO 4 2–). For example, in the mineral hematite (Fe 2 O 3), the cation is Fe 3 + (iron) and the anion is O 2– (oxygen). We group minerals into classes on the basis of their …Apr 23, 2023 · The chemical formula (Zn, Fe) of sphalerite is S. It is a zinc sulphide containing a variable amount of iron instead of zinc in the mineral lattice. The iron content …128 terms · Which mineral is found in quartz veins and alluvial deposits? → gold, What is the chemical formula for gold? → Au, What is the hardness of gold? → 3.0, What is the density of gold? → 17.6, What is the chemical formula for copper? → Cu . Home. Subjects. Solutions. Create. Study sets, textbooks, questions.Chemical Formula: CaMg(CO3)2 : Composition: Molecular Weight = 184.40 gm Calcium 21.73 % Ca 30.41 % CaO ... Oxygen 52.06 % O _____ _____ 100.00 % 100.00 % = TOTAL OXIDE: Empirical Formula: CaMg(CO 3) 2: IMA Status: Valid Species (Pre-IMA) 1791 : Locality: Link to MinDat.org Location Data. Name Origin: Named after the French …Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass. A particular ore contains 68.5% galena by mass. Part A If the lead can be extracted with 92.5% efficiency, what mass of ore is required to make a lead sphere with a 3.50 cm radius? ….

Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver. Galena is one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic crystal system often showing octahedral forms.Galena Meanings, Zodiacs, Planets, Elements, Colors, Chakras, and more. Science & Origin of GalenaGalena is a lead sulfide mineral that crystallizes in the form of masses, cubes, octahedrons, and fibrous layers. Today, it's the most important lead ore when it comes to the production of goods. This mineral was first described back in 77 A.D. by Gaius Plinius Secundus (Pliny the Elder).Galena is the primary ore mineral of lead. Worked for its lead content as early as 3000 BC, it is found in ore veins with sphalerite, pyrite, chalcopyrite, tennantite-tetrahedrite, etc. and in skarns, as well as in sedimentary rocks where it may replace carbonate beds or be deposited in pore spaces. The crystals are bright when fresh but often ...Study with Quizlet and memorize flashcards containing terms like Hypothesis, thesis statement, Gaia hypothesis and more.Galena, naturally occurring mineral, approximately 1-2in, Thermo Scientific Chemicals ... Molecular Formula, PbS. Molecular Weight (g/mol), 239.26. MDL Number ...Pyrite and Galena are both naturally occurring minerals, but they differ in their chemical compositions. Pyrite is iron sulfide, represented by the chemical formula FeS2. In contrast, Galena is lead sulfide with the chemical formula PbS. Fiza Rafique. Sep 29, 2023.Write the chemical equations involved in the extraction of lead from galena by self-reduction process.The chemical formula for sulfuric acid is \(\ce{H_2SO_4}\). Summary. A chemical symbol is a one- or two-letter designation of an element. Compounds are combinations of two or more elements. A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements.Pyrite and Galena are both naturally occurring minerals, but they differ in their chemical compositions. Pyrite is iron sulfide, represented by the chemical formula FeS2. In contrast, Galena is lead sulfide with the chemical formula PbS. Fiza Rafique. Sep 29, 2023. Chemical formula for galena, Galena is the primary ore mineral of lead. Worked for its lead content as early as 3000 BC, it is found in ore veins with sphalerite, pyrite, chalcopyrite, tennantite-tetrahedrite, etc. and in skarns, as well as in sedimentary rocks where it may replace carbonate beds or be deposited in pore spaces. The crystals are bright when fresh but often ..., This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: What is the maximum mass of pure lead that could be extracted from 130g of galena, a lead ore with the chemical formula PBs? Be sure your answer has a unit symbol, if necessary, and is rounded to the correct ..., General Galena Information : Chemical Formula: PbS : Composition: Molecular Weight = 239.27 gm Lead 86.60 % Pb Sulfur 13.40 % S _____ 100.00 % : Empirical Formula: PbS : Environment: Lead sulfide ore veins, and disseminated in igneous and sedimentary rocks. IMA Status: Valid Species (Pre-IMA) Prehistoric ... Optical Properties of Galena :, Advertisement There are two LP gases that can be stored in liquid form with only moderate pressurization -- propane and butane. Isobutane, which has the same simple chemical formula as butane but has a different chemical structure, is also ..., Figure 10d-4: Pyrite. Figure 10d-5: Galena. The Halides are a group of minerals whose principle chemical constituents are fluorine, chlorine, iodine, and bromine. Many of them are very soluble in water. Halides also tend to have a highly ordered molecular structure and a high degree of symmetry., Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver. Galena is one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic crystal system often showing octahedral forms., Sphalerite mineral is in group of Sulfide mineral that is formula ( (Zn, Fe)S).It is the principal ore of zinc. Pure sphalerite is colorless and rare. Normally, iron is present, causing the color to vary from pale greenish yellow to brown and black with increasing iron content. When iron content is high it is an opaque black variety, marmatite., Apr 2, 2011 · Chapter 4 Test – Minerals (2004). Indicate True (A) or False (B) for each of the questions below. 1. Color is one of the most useful properties for mineral identification. 2. Most rock-forming minerals are silicate minerals., Lead (II) sulfide. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ?) Lead (II) sulfide (also spelled sulphide) is an inorganic compound with the formula Pb S. Galena is the principal ore and the most important compound of lead., Galena is the natural mineral form of lead sulfide. It is one of the most abundant and widely distributed sulfide minerals. It is the most important lead ore mineral. It is also an important source of silver, which is often found in the mineral. It was once used as the semiconductor (or "crystal") in crystal radio sets., Mineral Formula. Native Elements. Diamond, Graphite. C. (No anions). Gold. Au ... Galena. PbS. 2 anion = S. Pyrite. FeS. 2-. 2. Chalcopyrite. CuFeS. Sphalerite., Argentite. In mineralogy, argentite (from Latin argentum ' silver') is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173 °C (343 °F), [1] 177 °C (351 °F), [2] or 179 °C (354 °F). [3] When it cools to ordinary temperatures it turns into its monoclinic polymorph, acanthite. [2] [3] The International Mineralogical ..., Chemical Properties of Chromate – CrO 42-. Chromate ion acts as a strong oxidizing agent in acid solution. In an alkaline solution chromate ion combines with water to form chromium (III) hydroxide. CrO42− + 4 H2O + 3 e− → Cr (OH)3 + 5 OH−. Chromate as its potassium salt reacts with barium nitrate to form barium chromate and potassium ..., Jul 7, 2023 · Chemical Equations. As shown in Figure 3.1.1 3.1. 1, applying a small amount of heat to a pile of orange ammonium dichromate powder results in a vigorous reaction known as the ammonium dichromate volcano. Heat, light, and gas are produced as a large pile of fluffy green chromium (III) oxide forms., f Precise composition not dptermined. Small bulk samples of both type 1 and type 2 ores were crushed and ground for analysis. Chemical anal- yses ..., The chemical formula for sulfuric acid is \(\ce{H_2SO_4}\). Summary. A chemical symbol is a one- or two-letter designation of an element. Compounds are combinations of two or more elements. A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements., This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: What is the maximum mass of pure lead that could be extracted from 5.0 kg of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to 2 ..., Bihar Board. Class 9; Class 10; Class 11; Class 12; CBSE Board , Word Equation. Galena + Dioxygen = Lead (Ii) Oxide + Sulfur Dioxide. PbS + O2 = PbO + SO2 is a Double Displacement (Metathesis) reaction where two moles of Galena [PbS] and three moles of Dioxygen [O 2] react to form two moles of Lead (Ii) Oxide [PbO] and two moles of Sulfur Dioxide [SO 2] Show Chemical Structure Image., ZrS ZrSiO4 ZrSiO2 ZrS2, What is the chemical formula for galena? FeS PbS2 PbS FeS2 and more. Study with Quizlet and memorize flashcards containing terms like Which of these properties describe the most common occurrence of pyrite? [Select all that apply] Metallic luster White-colorless Softer than copper penny Harder than glass Vitreous luster ..., General Hematite Information : Chemical Formula: Fe2O3 : Composition: Molecular Weight = 159.69 gm Iron 69.94 % Fe 100.00 % Fe 2 O 3: Oxygen 30.06 % O: 100.00 % 100.00 % = TOTAL OXIDE, Find step-by-step Chemistry solutions and your answer to the following textbook question: Write chemical formulas for galena., Study with Quizlet and memorize flashcards containing terms like Mass, Mass is measured in _____., Mass is measured using a _____ _____ _____. and more., Question: What is the maximum mass of pure lead that could be extracted from 2.5 kg of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to the correct number of significant digits.What is the minimum mass of chalcopyrite (CuFeS2), a copper ore, from which 145. g of pure copper could be extracted?, The next step in the extraction of zinc is called roasting. The concentrated ore is finely ground into small pieces and then suspended in a rising stream of air. The sulphur content can be reduced hugely with this process. This also converts the zinc blende to ZnO which is way more reactive. The reaction occurring here is., chemical compound. Actions Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style. Copy Citation. Share Share ..., The chemical formula for sulfuric acid is \(\ce{H_2SO_4}\). Summary. A chemical symbol is a one- or two-letter designation of an element. Compounds are combinations of two or more elements. A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements., The IMA symbol is Gn. RRUFF Project. Lead sulfide is a sulfide of lead that occurs naturally as the mineral galena. It is used as a semiconductor and infrared detector. Lead is a heavy metal and stable element with the symbol Pb and the atomic number 82, existing in metallic, organic, and inorganic forms., In the reaction it is involved in the extraction of $Pb$ from galena. $PbS + ... It is a lead sulphide mineral with a chemical composition of Pbs. Galena is ..., Lead(II) sulfate, also known as plumbous sulfate, is a chemical compound. Its chemical formula is PbSO 4. It contains lead and sulfate ions. The lead is in its +2 oxidation state. Properties. Lead(II) sulfate is a white solid. It does not dissolve in water. It is toxic because it has lead in it. It does not dissolve in sulfuric acid, The IMA symbol is Gn. RRUFF Project. Lead sulfide is a sulfide of lead that occurs naturally as the mineral galena. It is used as a semiconductor and infrared detector. Lead is a heavy metal and stable element with the symbol Pb and the atomic number 82, existing in metallic, organic, and inorganic forms. , General Graphite Information : Chemical Formula: C : Composition: Molecular Weight = 12.01 gm Carbon 100.00 % C: 100.00 % : Empirical Formula: C : Environment:, 1. Galena is lead ore with formula PbS while pyrite is iron ore having formula FeS2. In Other words, Galena is sulfide of lead and pyrite is sulfide of iron. 2. Galena is gray in color, it can be different shades of gray from light to dark, where as pyrite is brass yellow in color and often termed as fool’s gold due to its gold like ...