Sphalerite is a sulfide mineral with the chemical formula (Zn, Fe)S. It is the most important ore of zinc. Sphalerite is found in a variety of deposit...
35 KB (3,403 words) - 03:32, 23 November 2024
main form of zinc found in nature, where it mainly occurs as the mineral sphalerite. Although this mineral is usually black because of various impurities...
10 KB (998 words) - 12:35, 11 December 2024
structural polymorph form of sphalerite. The iron content is variable up to eight percent. It is trimorphous with matraite and sphalerite. It occurs in hydrothermal...
5 KB (358 words) - 20:10, 8 April 2024
occurs in near-opaque minerals with very high refractive indices, such as sphalerite, cinnabar, anthracite, and cuprite. Vitreous minerals have the lustre...
12 KB (1,158 words) - 10:42, 16 October 2024
often showing octahedral forms. It is often associated with the minerals sphalerite, calcite and fluorite. Galena is the main ore of lead, used since ancient...
16 KB (1,537 words) - 05:12, 27 November 2024
Banded Zn-Pb ore sample with sphalerite (brown) and (silver-grey) galena as main ore minerals and (white) calcite as main gangue mineral...
7 KB (775 words) - 02:37, 26 November 2024
Missouri, known for producing "tri-state" minerals consisting mainly of sphalerite. The DMV, which includes the city of Washington (coterminous with the...
10 KB (1,085 words) - 21:59, 4 December 2024
deposits. The mined ore is processed with gold cyanidation. Pyrite and sphalerite are the main sulfide minerals found in the 120-meter thick volcanic conglomerates...
78 KB (8,560 words) - 09:41, 18 December 2024
Hardwood 2–2.5 Plastic 2.5 Zinc 2.5–3 Copper 3 Brass 3.5 Adamite 3.5-4 Sphalerite 4 Iron 4–4.5 Ordinary steel 4.5 Colemanite 5 Apatite 5-5.5 Goethite 5...
16 KB (1,127 words) - 13:43, 27 November 2024
after Germany, his country of birth. Germanium is mined primarily from sphalerite (the primary ore of zinc), though germanium is also recovered commercially...
70 KB (7,407 words) - 18:33, 18 December 2024
structure (also written "zinc blende") is named after the mineral zincblende (sphalerite), one form of zinc sulfide (β-ZnS). As in the rock-salt structure, the...
49 KB (3,620 words) - 14:56, 4 October 2024
Mendeleev's prediction, discovered a new element in a sample of the mineral sphalerite, and named it gallium. He isolated the element and began determining its...
251 KB (27,095 words) - 23:14, 18 December 2024
Fe-montmorillonite, goethite, hematite, siderite, rhodochrosite, pyrite, sphalerite, anhydrite. The Red Sea is a rich and diverse ecosystem. For example,...
59 KB (6,530 words) - 12:44, 17 December 2024
Dodecahedral cleavage occurs when there are six cleavage planes in a crystal. Sphalerite has dodecahedral cleavage. Crystal parting occurs when minerals break...
7 KB (842 words) - 01:57, 22 June 2024
is found either as a native metal (rare) or in cinnabar, metacinnabar, sphalerite, corderoite, livingstonite and other minerals, with cinnabar (HgS) being...
120 KB (12,788 words) - 20:22, 6 December 2024
crystals with better shapes and a higher yield. Cubic boron nitride adopts a sphalerite crystal structure, which can be constructed by replacing every two carbon...
54 KB (6,863 words) - 12:15, 18 July 2024
parameter Ref. MgPo nickeline (NiAs) a = 434.5 pm c = 707.7 pm BePo sphalerite (ZnS) 582.7 pm CdPo sphalerite (ZnS) 666.5 pm ZnPo sphalerite (ZnS) 628(2) pm...
8 KB (784 words) - 11:10, 27 November 2023
mineral of importance, greenockite (CdS), is nearly always associated with sphalerite (ZnS). This association is caused by geochemical similarity between zinc...
65 KB (7,501 words) - 23:45, 9 December 2024
rather as gallium(III) compounds in trace amounts in zinc ores (such as sphalerite) and in bauxite. Elemental gallium is a liquid at temperatures greater...
76 KB (9,063 words) - 16:44, 20 December 2024
Earth's crust and has five stable isotopes. The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest workable lodes are...
143 KB (16,428 words) - 00:51, 12 December 2024
with copper despite chalcopyrite having the same crystal structure as sphalerite. Minor amounts of elements such as silver, gold, cadmium, cobalt, nickel...
23 KB (2,282 words) - 04:26, 16 December 2024
Richter, were looking in a sample of the mineral zinc blende, also known as sphalerite (ZnS), for the spectroscopic lines of the newly discovered element thallium...
50 KB (5,716 words) - 13:12, 9 December 2024
which is mainly derived from the processing of the zinc sulfide mineral sphalerite. Germanite contains gallium, zinc, molybdenum, arsenic, and vanadium as...
3 KB (221 words) - 15:03, 17 December 2024
jasperoid and ore minerals. Veinlet along lower edge of specimen contains sphalerite in carbonates. Pend Oreille mine, Pend Oreille County, Washington...
25 KB (2,734 words) - 21:53, 25 November 2024
Smithsonite Sodalite Soddyite Sonolite Sperrylite Spertiniite Spessartine Sphalerite Spherocobaltite Spinel Spodumene Spurrite Stannite Stannoidite Staurolite...
43 KB (2,846 words) - 19:16, 19 December 2024
Datolite Datolite on sphalerite from San Luis Potosí, Mexico (size: 6.2 x 5.3 x 2.8 cm) General Category Nesosilicate Formula (repeating unit) CaBSiO4(OH)...
4 KB (267 words) - 20:58, 26 May 2024
element, typically a metal. Examples are cinnabar (HgS), an ore of mercury; sphalerite (ZnS), an ore of zinc; cassiterite (SnO2), an ore of tin; and colemanite...
111 KB (13,151 words) - 10:21, 21 December 2024
banded deposits with irregular concentric protuberances agate, baryte, sphalerite Concentric Circular ring aggregates around a center. This habit is found...
19 KB (466 words) - 08:12, 8 May 2024
economic amounts of lead and zinc. The zinc was hosted by the mineral sphalerite while lead was hosted by the mineral galena. Silver occurred as a native...
7 KB (900 words) - 21:00, 29 October 2024
galena PbS was mined as an ore of lead, and the sulphides pyrite FeS2 and sphalerite ZnS were also present. Many carbonates occur there, including ankerite...
10 KB (1,090 words) - 20:03, 11 May 2024