In mineralogy, argentite is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173°C, 177°C, or 179°C. It is located in Group 11 of the periodic table. What is the emperical formula of argentite? Argentite is silver sulfide mineral, is an important constituent of silver ore deposits. Define argentite. It contains 87% silver and forms blackish-gray coatings or masses with a metallic luster and a shining black STREAK. Burtseva, M. V., et al. In fact, the name of mineral is based on the Latin name of silver (Argentum). Chris S. Lv 6. Acanthite is a form of silver sulfide with the chemical formula Ag 2 S. It crystallizes in the monoclinic system and is the stable form of silver sulfide below 173 °C (343 °F). Be the first to answer this question. The name argentite is therefore used (confusingly) by some to describe pseudo-cubic pseudomorphs of silver sulphide (acanthite) where the original crystal form of the high-temperature cubic argentite has remained. Chemical Formula: Ag 2 S Locality: Freiberg, Schneeberg, Annaberg, Germany. The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. argentite n : a valuable silver ore consisting of silver sulfide (ag2s) Wikipedia English - The Free Encyclopedia. What is the empirical formula for argentite? 12417-99-1. Acanthite is the only stable form in normal air temperature. 3.1 Molecular Weight and Formula Weight molecular weight (MW) of a substance is: the sum of the atomic weights of all the atoms in a molecule of the substance. n. A valuable silver ore, Ag2S, with a lead-gray color and metallic luster that is often tarnished a dull black. Tiruchirapalli District ⓘ Trichy (Tiruchirappalli; Tiruchi) Concentration. Be sure your answer has a unit symbol, if necessary, and is rounded to 3 significant digits. Silver, chemical element of atomic number 47, a white lustrous metal valued for its decorative beauty and electrical conductivity. As argentite cools below that temperature its cubic form is distorted to the monoclinic form of acanthite. The computed chemical formula of argentite is [Ag 1.9899 Sb 0.0269 Te 0.0125] S. The other common silver mineral in the Erdaokan Ag-Pb-Zn deposit is pyrargyrite Ag 3 [SbS 3 ], which shows light blue-grey color under reflected light (plane-polarized light), … The crushed ore is concentrated by froth-floatation process. Be Sure Your Answer Has A Unit Symbol, If Necessary, And Is Rounded To The Correct Number Of Significant Digits. argentite Ag2S chromite FeCr2O4 galena PbS scheelite CaWO4 (i) A binary compound is one that contains only two different elements. Silver is commonly extracted from ore by smelting or chemical leaching. General Argentite Information : Chemical Formula: Ag2S : Composition: Molecular Weight = 247.80 gm Silver 87.06 % Ag Sulfur 12.94 % S _____ 100.00 % : Empirical Formula: Ag 2 S : Environment: Low temperature ore veins. Uses. General Pearceite Information : Chemical Formula: [Ag9CuS4] [(Ag,Cu)6(As,Sb)2S7] Composition: Molecular Weight = 2,096.80 gm Copper 11.64 % Cu: Silver 62.50 % Ag: Antimony 4.82 % Sb: Arsenic 4.22 % As: Sulfur 16.82 % S: 100.00 % Asked by Wiki User. Acanthite is a form of silver sulfide with the chemical formula Ag 2 S. It crystallizes in the monoclinic system and is the stable form of silver sulfide below 173 C. Argentite is the stable form above that temperature. Silver arsenide. Silver has been used for thousands of years for jewelry and decorative items of all types. As argentite cools below that temperature its cubic form is distorted to the monoclinic form of acanthite. Calcium carbonate forms as both Aragonite and Calcite, and these two minerals only differ in their crystallization.Calcite, the more common mineral, forms in trigonal crystals, whereas Aragonite forms orthorhombic crystals. Silver is extracted from the ore-argentite. Argentite (الإنجليزية to الإنجليزية translation). Chemical Formula: Ag 2 S (Previously known as Argentite) 87.1% Silver by weight. Register to get answer. Silver has been used for thousands of ... especially acanthite and argentite, Ag2S. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Ag2S1. Argentite belongs to the galena group. Asbestos, any of several minerals that readily separate into long, flexible fibres. IMA Status: Valid Species (Pre-IMA) 1855 : Locality: Freiberg, Schneeberg, Annaberg, Germany. The most important ore mineral of silver is argentite (Ag2S, silver sulfide). ... Argentite is a silver ore that contains 87% silver and 13% sulfur. empirical formula for argentite, or silver sulfide. Silver is found in lead, zinc, gold and copper ore deposits. Uses. Trisilver arsenide. In mineralogy, argentite (from the Latin argentum, silver) is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173 °C, 177 °C or 179 °C. G Of Argentite, A Silver Ore With The Chemical Formula Ag,S? Silver is extracted from the argentite ore by the Mac-Arthur and Forrest’s cyanide process. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all … It consists of about 87% silver. State which of … The metal silver is obtained from this mineral. Answer. When it cools to ordinary temperatures it turns into its monoclinic polymorph, acanthite. What is the maximum mass of pure silver that could be extracted from 180. g of argentite, a silver ore with the chemical formula Ag,S? argentite synonyms, argentite pronunciation, argentite translation, English dictionary definition of argentite. Opaque and bright silvery white with a slightly pink tint, it readily tarnishes to either gray or black. Streak sometimes has metallic shine. Question: What Is The Maximum Mass Of Pure Silver That Could Be Extracted From 150. Who doesn't love being #1? Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. The most important ore mineral of silver is argentite (Ag2S, silver sulfide). A chemical formula includes the symbols of the elements in the compound and subscripts that indicate. Example: H 2 O, is 18.0 amu (2 x 1.0 amu +16.0 amu) =18 formula weight (FW) of a substance is: the sum of the atomic weights of all atoms in a formula unit of the compound, whether Silver is found in lead, zinc, gold and copper ore deposits. In mineralogy, argentite (from the Latin argentum, silver) is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173 °C, 177 °C or 179 °C. Be the first to answer! Common name: Argentite: Chemical name: Silver sulfide: Mineral name: Argentite: Formula: Ag2 S: Calculated formula: Ag2.00001 S: Title of publication: An in situ high-temperature scanning electron microscopy study of acanthite-argentite phase transformation in nanocrystalline silver sulfide powder. Translation of Argentite in English. Colors: Mineral and streak are blackish to lead-gray. "Features of mineral and chemical composition of the Khamambettu Carbonatites, Tamil Nadu." In mineralogy, argentite (from the Latin argentum, silver) is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173 °C, 177 °C or 179 °C. Silver is commonly extracted from ore by smelting or chemical leaching. Relation to Mining. Arsenargentite (Ag3As) EINECS 235-652-7 Chemical Formula: Ag2S : Composition: Molecular Weight = 247.80 gm Silver 87.06 % Ag Sulfur 12.94 % S _____ 100.00 % : Empirical Formula: Ag 2 S : Environment: Low-temperature sulfide veins and in zones of secondary enrichment. IMA Status: Not Approved IMA : Locality: Mexico, Saxony, Great Britain and Kongsberg, Norway are notable localities. the number of atoms or ions of each type. Source(s): college chemistry. Silver is an element with the chemical symbol Ag and atomic number 47. Form of silver sulfide with the chemical formula Ag 2 S. It crystallizes in the monoclinic system and is the stable form of silver sulfide below 173 C. Argentite is the stable form above that temperature. Below 173 °C acanthite forms directly. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure.The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. argentite n : a valuable silver ore consisting of silver sulfide (ag2s) Wikipedia English - The Free Encyclopedia. The mineral argentite has a chemical formula of Ag2S and is another name for silver sulfide. Likewise, it has been used for silverware. Journal of the Geological Society of India 81.5 (2013): 655-664. Translate Argentite in English online and download now our free translator to use any time at no charge. Below this temperature, any samples of 'argentite' convert to acanthite. Treatment of the ore with NaCN 0 0. Hardness: 2.0 to 2.5 Hardness varies somewhat depending on formation and impurities. Silver’s physical and chemical properties are intermediate between those of copper and gold. Interestingly this ore is stable only at high temperature (around 179 degrees Celsius). The 87 :13 ratio is a mass ratio (the question should state this). Let me try to explain just a little. Argentite is the stable form above that temperature. Hope this answers your question. The chemical formulae of some metal compounds found in ores together with the names of the ores are shown below. The name 'argentite' refers to the high-temperature form of silver sulphide, only stable over 177°C. The various steps involved in this process are as follows. argentite Chemical Group: sulfide Chemical Formula: Ag 2 S Color: blackish lead-gray Streak: Hardness: 2.5 Specific Gravity: 7.2 to 7.4 Cleavage: Crystal Forms: Isometric System; cubes and octahedrons Habits: dendritic earthy masses Mineral Associations: Identifying Characteristics: ››More information on molar mass and molecular weight. 1. 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argentite chemical formula

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