What are sulphide minerals used for?
Sulfide minerals are the source of various precious metals, most notably gold, silver, and platinum. They also are the ore minerals of most metals used by industry, as for example antimony, bismuth, copper, lead, nickel, and zinc.
What are three examples of sulfide minerals?
Some examples of sulfides include galena ( the principle ore mineral for lead and silver), cinnabar (the main ore mineral for mercury), and chalcopyrite (which provides copper).
How do you dissolve sulfide?
A combination of KClO3+HCl followed by 4 N HNO3 boiling gently for 20 min has been shown to be very effective in dissolving all the sulfide minerals.
Why are sulfides good ore minerals?
Above all, the sulfides are the most important group of ore minerals because they are responsible for the concentration of a wide range of metals as mineable deposits. They are also potential sources of pollution, be it of the air, surface waters, or soils.
What is sulfide mining?
What is sulfide mining? “Sulfide mining” refers to mining metals that are found in sulfide-bearing rock. Mining metals in sulfide ores can be done in two ways: in underground mines where the ore deposits are very deep, and in open-pit mines when the deposits are relatively shallow.
How do you identify a sulfide mineral?
Sulfide minerals consist of one or more metals combined with sulfur; sulfarsenides contain arsenic replacing some of the sulfur. Sulfides are generally opaque and exhibit distinguishing colours and streaks. (Streak is the colour of a mineral’s powder.)
How soluble is PbS?
PbS shows a very low solubility in water, and it is insoluble in organic solvents.
Does sulfides have gold?
Abstract. Gold is present in refractory sulfide gold ores mainly in arsenian pyrite and arsenopyrite, where it occurs in both the chemically bonded state and as nano-size grains of metallic gold.
Is there gold in sulfide minerals?
Gold is often associated with sulfide minerals (arsenopyrite, pyrite, chalcopyrite, pyrrhotite, galena) as “invisible” gold that is thought to consist either of submicrometer metallic particles or to be bound to sulfur in metal sulfide lattice (Cook and Chryssoulis, 1990, Friedl et al., 1995, Fleet and Mumin, 1997.
Why is sulfide mining bad?
When sulfide ore is exposed to water and air, it produces sulfuric acid. This acid, which drains from the mine’s waste rock, can create long-lasting water pollution harming people, plants, fish and wildlife. Pollution from the mines can also send toxic heavy metals downstream, such as mercury and sulfates.
What is sulfide ore copper mining used for?
By exposing sulfides minerals in the pit walls to oxygen and water, they are able to produce acid mine drainage.
What sulfides contain gold?
Gold–silver sulfides (low-temperature modifications) are present in all synthesized samples. Depending on Ag/Au, the following sulfides are produced: acanthite (Ag/Au = 10), solid solutions Ag2–xAuxS (Ag/Au = 10, 2), uytenbogaardtite (Ag/Au = 2, 0.75), and petrovskaite (Ag/Au = 0.75, 0.12).
Is pyrite a sulfide mineral?
“Fool’s Gold” is technically known as pyrite or iron sulfide (FeS2) and is one of the most common sulfide minerals. Sulfide minerals are a group of inorganic compounds containing sulfur and one or more elements.
Does iron sulfide float in water?
Based on their responses, demonstrate that it is easy to separate them by using a bar magnet or putting the mixture in water (iron sinks and sulfur floats).
What are the different types of monosulfide?
monosulfide may refer to: Carbon monosulfide, chemical compound with the formula CS. Copper monosulfide, chemical compound with the formula CuS. Mononitrogen monosulfide, inorganic compound with the formula SN. Silicon monosulfide, chemical compound with the formula SiS. Scandium monosulfide, chemical compound of scandium and sulfur with
How do you find the chemical name of monosulfide?
Look up monosulfide in Wiktionary, the free dictionary. Monosulfide may refer to: Carbon monosulfide, chemical compound with the formula CS Copper monosulfide, chemical compound with the formula CuS Mononitrogen monosulfide, inorganic compound with the formula SN
What is the chemical name of CS monosulfide?
Monosulfide may refer to: Carbon monosulfide, chemical compound with the formula CS Copper monosulfide, chemical compound with the formula CuS Mononitrogen monosulfide, inorganic compound with the formula SN Silicon monosulfide, chemical compound with the formula SiS
What is the chemical formula for Silicon monosulfide?
Silicon monosulfide, chemical compound with the formula SiS Scandium monosulfide, chemical compound of scandium and sulfur with the chemical formula ScS Uranium monosulfide, chemical compound with the formula US