Search results
Results from the WOW.Com Content Network
Cuprite is an oxide mineral composed of copper(I) oxide Cu 2 O, and is a minor ore of copper. [5]Cuprite from Tsumeb Mine (size:2.3 x 2.1 x 1.2 cm. Its dark crystals with red internal reflections are in the isometric system hexoctahedral class, appearing as cubic, octahedral, or dodecahedral forms, or in combinations.
Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu 2 O. It is one of the principal oxides of copper, the other being copper(II) oxide or cupric oxide (CuO).The compound can appear either yellow or red, depending on the size of the particles. [2] Cuprous oxide is found as the mineral cuprite.
Copper oxide is any of several binary compounds composed of the elements copper and oxygen. Two oxides are well known, Cu 2 O and CuO, corresponding to the minerals cuprite and tenorite, respectively. Paramelaconite (Cu 4 O 3) is less well characterized. [1] Copper oxide may refer to: Copper(I) oxide (cuprous oxide, Cu 2 O) Copper(II) oxide ...
Following is a list of minerals that serve as copper ores in the copper mining process: [1] Image Name ... Cuprite: Cu 2 O: 88.8 Chrysocolla (Cu,Al) 2 H 2 Si 2 O 5 ...
The unit cell of high-temperature cuprate superconductor BSCCO-2212. Cuprates are layered materials, consisting of superconducting planes of copper oxide, separated by layers containing ions such as lanthanum, barium, strontium, which act as a charge reservoir, doping electrons or holes into the copper-oxide planes.
Cuprite, native copper and Fe–Mn oxides also occur in this environment. [2] In addition to the hydrothermal, tenorite also occurs as a volcanic sublimate from Vesuvius, Campania, and Etna, Sicily, Italy. As a sublimate it occurs with copper chlorides, alkali chlorides and cotunnite. [2]
Yttrium barium copper oxide (YBa 2 Cu 3 O 7) consists of both Cu(II) and Cu(III) centres. Like oxide, fluoride is a highly basic anion [19] and is known to stabilize metal ions in high oxidation states. Both copper(III) and even copper(IV) fluorides are known, K 3 CuF 6 and Cs 2 CuF 6, respectively. [1]
Copper Glance – copper(I) sulfide ore. Cuprite – copper(I) oxide ore. Dutch White – a pigment, formed from one part of white lead to three of barium sulfate. BaSO 4; Flowers of antimony – antimony trioxide, formed by roasting stibnite at high temperature and condensing the white fumes that form. Sb 2 O 3