from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Native iron carbonate.
from the GNU version of the Collaborative International Dictionary of English
- n. Native iron carbonate; -- usually called siderite.
from The Century Dictionary and Cyclopedia
- n. Native iron protocarbonate, FeCO3. Also called spathic or sparry iron ore, or siderite. See siderite.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. iron ore in the form of ferrous carbonate
Sorry, no etymologies found.
Magnetite is one of several types of iron oxide and its official (IUPAC) name is Siderite, aka chalybite, is a carbonate of iron, FeCO3
All carbonates are soluble with effervescence in dilute acids; some, such as chalybite and magnesite, require the aid of heat.
It is rhombohedral in crystallization and isomorphous with calcite and chalybite.
In the red and brown iron ores and ochres ferric iron is present; in chalybite the iron is in the ferrous state; and in magnetite it is present in both forms.
Carbonates of many of the metals, such as carbonate of lead (cerussite), carbonate of iron (chalybite), carbonates of copper
Hydrochloric acid, for example, with chalybite (ferrous carbonate) will give a solution of _ferrous_ chloride; with hæmatite (ferric oxide) it will yield _ferric_ chloride; and with magnetite (ferrous and ferric oxides) a mixture of ferrous and ferric chlorides.