Edscottite
A valid IMA mineral species
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About Edscottite
Edward R. D. Scott
Formula:
Fe5C2
Specific Gravity:
7.62 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honor of Edward (Ed) R.D. Scott (b. 1947, Cheshire, United Kingdom), a cosmochemist at the University of Hawai‘i, Manoa, U.S.A., for his contributions to research on meteorites. He discovered the mineral.
Unique Identifiers
Mindat ID:
53375
Long-form identifier:
mindat:1:1:53375:3
IMA Classification of Edscottite
Approved
Approval year:
2018
First published:
2019
Classification of Edscottite
1.BA.35
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
A : Carbides
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
A : Carbides
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Est | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Edscottite
Density:
7.62 g/cm3 (Calculated)
Chemistry of Edscottite
Mindat Formula:
Fe5C2
Elements listed:
Crystallography of Edscottite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 11.57 Å, b = 4.57 Å, c = 5.06 Å
β = 97.7°
β = 97.7°
Ratio:
a:b:c = 2.532 : 1 : 1.107
Unit Cell V:
265.1 ų
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.207 Å | (31) |
| 2.192 Å | (26) |
| 2.079 Å | (68) |
| 2.050 Å | (100) |
| 2.027 Å | (27) |
| 2.010 Å | (36) |
| 1.921 Å | (26) |
| 1.816 Å | (22) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 2: Planetesimal differentiation and alteration | 4.566-4.550 |
| 5 : Primary asteroid phases | 4.566–4.560 |
Type Occurrence of Edscottite
General Appearance of Type Material:
Subhedral, lath-shaped or platy single crystals, to 40 microns (maximum dimension)
Place of Conservation of Type Material:
Meteorite collections of the Department of Earth, Planetary and Space Sciences, University of California, Los Angeles, CA 90095-1567, USA, polished thick section ULCA 143
Geological Setting of Type Material:
Wedderburn iron meteorite
Synonyms of Edscottite
Other Language Names for Edscottite
Dutch:Edscottiet
German:Edscottit
Common Associates
Associations Based on Photo Data:
| 1 photo of Edscottite associated with 'IAB-sLH iron meteorite' |
Related Minerals - Strunz-mindat Grouping
| 1.BA.05 | Cohenite | Fe3C |
| 1.BA.10 | Haxonite | NiFe22C6 |
| 1.BA.10 | Isovite | (Cr,Fe)23C6 |
| 1.BA.15 | Tongbaite | Cr3C2 |
| 1.BA.20 | Niobocarbide | (Nb,Ta)C |
| 1.BA.20 | Khamrabaevite | (Ti,V,Fe)C |
| 1.BA.20 | Tantalcarbide | TaC |
| 1.BA.25 | Qusongite | WC |
| 1.BA.25 | Zoyashlyukovaite | MoC |
| 1.BA.30 | Yarlongite | Cr4Fe4NiC4 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Edscottite
mindat.org URL:
https://www.mindat.org/min-53375.html
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References for Edscottite
Reference List:
Miyawaki, Ritsuro, Hålenius, Ulf, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 47. European Journal of Mineralogy, 31 (1) 197-202 doi:10.1127/ejm/2019/0031-2839
Localities for Edscottite
Showing 1 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Australia (TL) | |
| European Journal of Mineralogy +2 other references |
Quick NavTopAbout EdscottiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Wedderburn meteorite, Wedderburn, Loddon Shire, Victoria, Australia