the iron, resulting in the siderite-smithsonite, siderite-magnesite, and siderite-rhodochrosite solid solution series. Siderite has Mohs hardness of 3.75...
11 KB (1,196 words) - 09:59, 10 November 2023
organism) can act as a nucleus for the precipitation of minerals such as siderite, resulting in a nodule forming around it. If this happens rapidly before...
111 KB (11,445 words) - 17:40, 29 August 2024
either of oxides, i.e. limonite, hematite, and magnetite; carbonates, i.e. siderite; silicates, i.e. chamosite; or some combination of these minerals. Freshly...
4 KB (438 words) - 20:09, 14 August 2024
(CaCO3). Dolomite, CaMg(CO3)2, is an uncommon mineral in limestone, and siderite or other carbonate minerals are rare. However, the calcite in limestone...
72 KB (8,485 words) - 15:26, 13 August 2024
Mark D. (2009). "High-fidelity X-ray micro-tomography reconstruction of siderite-hosted Carboniferous arachnids". Biology Letters. 5 (6): 841–844. doi:10...
110 KB (11,562 words) - 19:30, 15 August 2024
polyhalite Brine precipitate: Fe-montmorillonite, goethite, hematite, siderite, rhodochrosite, pyrite, sphalerite, anhydrite. The Red Sea is a rich and...
59 KB (6,527 words) - 19:29, 24 August 2024
the iron oxide minerals such as hematite (Fe2O3), magnetite (Fe3O4), and siderite (FeCO3), which are the major ores of iron. Many igneous rocks also contain...
150 KB (17,056 words) - 12:22, 24 August 2024
fragments and fossils can be replaced by other minerals (e.g. calcite, siderite, pyrite or marcasite) during diagenesis. Porosity usually decreases during...
13 KB (1,457 words) - 15:33, 3 November 2023
than about 2 billion years contained grains of pyrite, uraninite, and siderite, all minerals containing reduced forms of iron or uranium that are not...
85 KB (9,541 words) - 05:12, 19 August 2024
Iron meteorites, also called siderites or ferrous meteorites, are a type of meteorite that consist overwhelmingly of an iron–nickel alloy known as meteoric...
18 KB (2,197 words) - 03:43, 14 August 2024
Fe), goethite (FeO(OH), 62.9% Fe), limonite (FeO(OH)·n(H2O), 55% Fe), or siderite (FeCO3, 48.2% Fe). Ores containing very high quantities of hematite or...
55 KB (7,199 words) - 07:36, 26 August 2024
oxide group consisting of hematite, goethite, and magnetite. The carbonate siderite is also typically mined. A productive belt of iron formations is known...
16 KB (2,062 words) - 00:10, 14 January 2024
Serpentine group Serpierite Sewardite Shandite Shattuckite Shigaite Shortite Siderite Siderophyllite Siderotil Siegenite Silicate perovskite Silicon Sillimanite...
42 KB (2,782 words) - 01:16, 24 August 2024
crystallographic and physical characters resemble those of dolomite and siderite. The angle between the perfect rhombohedral cleavages is 73° 48′, the hardness...
5 KB (307 words) - 22:22, 22 April 2023
iron(III) bromide 10031-26-2 FeBr3 · 6H2O iron(III) bromide hexahydrate FeCO3 siderite 14476-16-5 FeC2O4 iron oxalate 15843-42-2 FeC5O5 iron pentacarbonyl pentacarbonyl...
182 KB (107 words) - 12:51, 21 August 2024
rocks; and with grunerite, magnetite, hematite, stilpnomelane, ankerite, siderite, calcite, chalcedonic quartz in iron formations. The riebeckite granite...
7 KB (557 words) - 07:23, 9 July 2024
Taconite Sedimentary iron formation rock Composition Primary Magnetite, hematite and chert Secondary Siderite, greenalite, minnesotaite and stilpnomelane...
12 KB (1,446 words) - 20:11, 8 June 2024
Rhodochrosite forms a complete solid solution series with iron carbonate (siderite). Calcium (as well as magnesium and zinc, to a limited extent) frequently...
9 KB (775 words) - 20:30, 23 August 2024
4 Paramagnetic Ilmenite FeTiO 3 {\displaystyle {\ce {FeTiO3}}} 8 - 16 Siderite FeCO 3 {\displaystyle {\ce {FeCO3}}} 9 - 18 Chromite FeCr 2 O 4 {\displaystyle...
11 KB (1,249 words) - 03:32, 8 June 2024
"Crystal structure refinements of magnesite, calcite, rhodochrosite, siderite, smithonite, and dolomite, with discussion of some aspects of the stereochemistry...
3 KB (202 words) - 20:24, 12 June 2023
Saz Stalderite Sld Suanite Sua Sainfeldite Sai Schuilingite-(Nd) Shg-Nd Siderite Sd Staněkite Stk Sudburyite Sdb Sakhaite Skh Schulenbergite Slb Sideronatrite...
180 KB (418 words) - 05:15, 30 June 2024
within the lower mantle. Doing so resulted in the formations of magnesite, siderite, and numerous varieties of graphite. Other experiments—as well as petrologic...
99 KB (10,261 words) - 23:10, 28 July 2024
concentric layers reaching 10 mm in diameter. Bauxites, limonites, and siderites often have a pisolitic structure. Ooid Oolite Mindat - Pisolite Manutchehr-Danai...
1 KB (82 words) - 07:59, 22 April 2024
with significant concentrations of ankerite and minor concentrations of siderite. Large carbonatite deposits enriched in rare-earth elements include Mount...
156 KB (16,786 words) - 00:07, 30 August 2024
been deformed and metamorphosed, resulting in upper greenschist facies of siderite-phyllite, and lower amphibolite facies of grunerite schists.: J15 The...
15 KB (1,829 words) - 07:23, 24 August 2024
(such as lignite) and trace amounts of other minerals such as pyrite and siderite. They are a common raw material for various types of ceramics, where their...
7 KB (541 words) - 00:33, 23 April 2024
substitution of manganese leading to rhodochrosite, and with iron, leading to siderite. A variety rich in cadmium, which gives it a bright yellow color, is sometimes...
6 KB (430 words) - 16:15, 19 July 2024
metamorphose to an amphibolite assemblage. Deposits containing dolomite and siderite also readily yield amphibolite (tremolite-schist, grunerite-schist, and...
9 KB (1,012 words) - 14:30, 9 January 2024
chemical compound with formula FeCO 3, that occurs naturally as the mineral siderite. At ordinary ambient temperatures, it is a green-brown ionic solid consisting...
7 KB (654 words) - 17:37, 28 June 2023
hydrothermal action in veins in association with calcite, barite, and siderite. Often associated with pyrolusite, braunite, hausmannite and goethite....
6 KB (504 words) - 09:07, 30 January 2023