Difference between revisions of "Siderite"
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| + | [[File:Sideriteemr1.jpg|thumb|Siderite]] | ||
[[File:sideritedw.jpg|thumb|Siderite crystals]] | [[File:sideritedw.jpg|thumb|Siderite crystals]] | ||
== Description == | == Description == | ||
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1) A yellowish-brown iron ore composed of iron carbonate. Siderite, also called chalybite, is mined in England, Austria, Czech Republic, France, Italy, Greenland, Australia, Brazil, Bolivia, and the U.S. It has a specific gravity of 3.83-3.88 along with an uneven fracture, pearly luster, and pale yellow streak. | 1) A yellowish-brown iron ore composed of iron carbonate. Siderite, also called chalybite, is mined in England, Austria, Czech Republic, France, Italy, Greenland, Australia, Brazil, Bolivia, and the U.S. It has a specific gravity of 3.83-3.88 along with an uneven fracture, pearly luster, and pale yellow streak. | ||
| − | 2) A metallic [ | + | 2) A metallic [[meteorite|meteorite]] composed primarily of [[iron|iron]] and [[nickel|nickel]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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chalybite; spathic iron ore; siderita (Esp.); sidérite (Fr.); siderite (Port.); Siderit (Deut.); sideriet (Ned.) | chalybite; spathic iron ore; siderita (Esp.); sidérite (Fr.); siderite (Port.); Siderit (Deut.); sideriet (Ned.) | ||
| − | [[[SliderGallery rightalign|Sideriteitaly1.jpg~Raman]]] | + | [[[SliderGallery rightalign|Siderite, PMA.TIF~FTIR (PMA)|Sideriteitaly1.jpg~Raman (U of Parma)]]] |
| − | == | + | ==Physical and Chemical Properties== |
| − | Hexagonal crystal system. Perfect cleavage in three directions forming a rhobohedron. Fracture = uneven. Streak = pale yellow. Luster = vitreous to dull. | + | * Hexagonal crystal system. |
| + | * Perfect cleavage in three directions forming a rhobohedron. | ||
| + | * Fracture = uneven. | ||
| + | * Streak = pale yellow. | ||
| + | * Luster = vitreous to dull. | ||
{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 3.8-3.9 | + | | 3.8-3.9 g/ml |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | + | * Mineralogy Database: [http://www.webmineral.com/data/Siderite.shtml Siderite] | |
| − | Mineralogy Database: [http://www.webmineral.com/data/Siderite.shtml Siderite] | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "siderite." Accessed 9 Dec. 2004. |
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| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "siderite." | ||
* C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979 | * C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979 | ||
Latest revision as of 12:23, 6 December 2022
Description
1) A yellowish-brown iron ore composed of iron carbonate. Siderite, also called chalybite, is mined in England, Austria, Czech Republic, France, Italy, Greenland, Australia, Brazil, Bolivia, and the U.S. It has a specific gravity of 3.83-3.88 along with an uneven fracture, pearly luster, and pale yellow streak.
2) A metallic Meteorite composed primarily of Iron and Nickel.
Synonyms and Related Terms
chalybite; spathic iron ore; siderita (Esp.); sidérite (Fr.); siderite (Port.); Siderit (Deut.); sideriet (Ned.)
Physical and Chemical Properties
- Hexagonal crystal system.
- Perfect cleavage in three directions forming a rhobohedron.
- Fracture = uneven.
- Streak = pale yellow.
- Luster = vitreous to dull.
| Composition | FeCO3 |
|---|---|
| Mohs Hardness | (1) 3.5 - 4.0 |
| Density | 3.8-3.9 g/ml |
Resources and Citations
- Mineralogy Database: Siderite
- Encyclopedia Britannica, http://www.britannica.com Comment: "siderite." Accessed 9 Dec. 2004.
- C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 421
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998