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siderite

n. 菱铁矿,陨铁

菱铁矿,陨铁

WordNet (r) 3.0 (2006) (WordNet)

siderite
n 1: iron ore in the form of ferrous carbonate [synonym: {siderite},
{chalybite}]
2: a meteorite consisting principally of nickel and iron

The Collaborative International Dictionary of English v.0.48 (gcide)

Siderite \Sid"er*ite\, n. [L. sideritis loadstone, Gr. ????,
????, of iron, from ???? iron.]
1. (Min.)
(a) Carbonate of iron, an important ore of iron occuring
generally in cleavable masses, but also in
rhombohedral crystals. It is of a light yellowish
brown color. Called also {sparry iron}, {spathic
iron}.
(b) A meteorite consisting solely of metallic iron.
(c) An indigo-blue variety of quartz.
(d) Formerly, magnetic iron ore, or loadstone.
[1913 Webster]

2. (Bot.) Any plant of the genus {Sideritis}; ironwort.
[1913 Webster] Siderographic

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Siderite - Wikipedia
Siderite Siderite is a mineral composed of iron (II) carbonate (FeCO 3) Its name comes from the Ancient Greek word σίδηρος (sídēros), meaning "iron" A valuable iron ore, it consists of 48% iron and lacks sulfur and phosphorus
菱铁矿（矿物）_百度百科
菱铁矿（siderite）是一种分布比较广泛的矿物，它的成分是碳酸亚铁。当菱铁矿中的杂质不多时可以作为铁矿石来提炼铁。菱铁矿一般呈薄薄一层与页岩、粘土或煤在一起。菱铁矿一般为晶体粒状或不显出晶体的致密块状、球状、凝胶状。
Siderite: Mineral information, data and localities.
Most often found in bedded sedimentary deposits with a biological component, with shales, clays and coal beds - suggesting that the siderite is biogenically created under low-oxygen and low-Ph conditions
Siderite | Iron Carbonate, Carbonate Minerals, Sedimentary Rocks . . .
Siderite, iron carbonate (FeCO3), a widespread mineral that is an ore of iron The mineral commonly occurs in thin beds with shales, clay, or coal seams (as sedimentary deposits) and in hydrothermal metallic veins (as gangue, or waste rock)
Siderite Mineral: Composition, Crystal Structure, and Geological . . .
Siderite is both an iron ore and gangue mineral Its principal economic value lies in its high iron content and the absence of process contaminants such as sulfur or phosphorous
Siderite: The mineral Siderite information and pictures
Detailed description, properties, locality information guide about the mineral siderite
Siderite - an overview | ScienceDirect Topics
Siderite —The mineral form of iron (II) carbonate, with the chemical formula Fe 2 CO 3 is called siderite The mineral contains around 40%–48% iron and is a primary component of sedimentary rocks that assembles into the surrounding water bodies
Thermal Decomposition of Siderite and Characterization of the . . .
Siderite (FeCO3) is an iron-bearing carbonate mineral that is the most abundant sedimentary iron formation on Earth
Siderite Mineral Data
Siderite Arsenopyrite Comments: White, metallic arsenopyrite and tan siderite crystals Location: Panasqueira (2000, 3rd level), in the region of Beira Baixa, Portugal Scale: 11 x 7 cm © Fabre Minerals Images: Siderite Comments: Blocky siderite crystals on quartz Location: Panasqueira (2nd level), in the region of Beira Baixa, Portugal
Siderite - Rock of Science
Member of: Calcite Group, Magnesite-Siderite Series, Rhodochrosite-Siderite Series, Siderite-Smithsonite Series Name: Named in 1845 by Wilhelm Karl von Haidinger from the Greek “σίδηρος” (sideros), “iron”, in allusion to its composition

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