Reevesite (original) (raw)
A valid IMA mineral species
About ReevesiteHide
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Formula:
Ni6Fe3+2(OH)16(CO3) · 4H2O
Colour:
Yellow to yellow-green
Specific Gravity:
2.80 - 2.88
Name:
Named in 1967 by John S. White, Jr., E.P. Henderson, and Brian Mason in honor of Frank Reeves, Ph.D. (11 October 1886, Tiune, West Virginia - 24 January 1986, Clarke County, West Virginia), an exploration geologist who found the Wolf Creek meteorite (the type locality) in 1947. He worked for several oil companies and the USGS.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:3383:7
7eb3f872-0fda-485a-8646-f61f3d7d36a1
IMA Classification of ReevesiteHide
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IMA Formula:
Ni6Fe3+2(CO3)(OH)16 · 4H2O
Type description reference:
Classification of ReevesiteHide
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5.DA.50
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
16b.6.3.1
16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
6 : AmBn(XO3)pZq
xH2O & with (m+n):p = 8:1
11.14.10
11 : Carbonates
14 : Carbonates of Co and Ni
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Rvs | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of ReevesiteHide
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Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Sorry, your browser doesn't support HTML5 audio. | Jolyon Ralph | United Kingdom |
Physical Properties of ReevesiteHide
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Colour:
Yellow to yellow-green
Density:
2.80 - 2.88 g/cm3 (Measured) 2.83(5) g/cm3 (Calculated)
Optical Data of ReevesiteHide
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RI values:
_n_ω = 1.735 _n_ε = 1.650
δ = 0.085
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of ReevesiteHide
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Mindat Formula:
Ni6Fe3+2(OH)16(CO3) · 4H2O
Crystallography of ReevesiteHide
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Class (H-M):
3_m_ _(_32/m ) - Hexagonal Scalenohedral
Cell Parameters:
a = 6.16 Å, c = 45.54 Å
Unit Cell V:
1,496.53 ų (Calculated from Unit Cell)
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 7.63 Å | (100) |
| 2.60 Å | (81) |
| 3.80 Å | (73) |
| 2.30 Å | (61) |
| 1.946 Å | (48) |
| 1.508 Å | (34) |
| 1.537 Å | (33) |
Geological EnvironmentHide
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Geological Setting:
Nickel rich ore deposits
Type Occurrence of ReevesiteHide
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Place of Conservation of Type Material:
National School of Mines, Paris, France; National Museum of Natural History, Washington, D.C., USA, 119552–119554.
Geological Setting of Type Material:
alteration product of a highly weathered iron-nickel meteorite
Associated Minerals at Type Locality:
Reference:
White, J.S., Henderson, E.P., Mason, B. (1967) Secondary minerals produced by weathering of the Wolf Creek meteorite. American Mineralogist: 52: 1190-1197.
Synonyms of ReevesiteHide
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Other Language Names for ReevesiteHide
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Relationship of Reevesite to other SpeciesHide
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Other Members of this group:
| Desautelsite | Mg6Mn3+2(OH)16[CO3] · 4H2O | Trig. 3_m_ _(_32/m ) |
|---|---|---|
| Droninoite | Ni6Fe3+2(OH)16Cl2 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| Hydrotalcite | Mg6Al2(CO3)(OH)16 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| Hydrotalcite-3R | Mg6Al2(CO3)(OH)16 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| Iowaite | Mg6Fe3+2(OH)16Cl2 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| Kaznakhtite | Ni6Co3+2(CO3)(OH)16 · 4H2O | Trig. 3 : _R_3 |
| Meixnerite | Mg6Al2(OH)16(OH)2 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| Pyroaurite | Mg6Fe3+2(OH)16[CO3] · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| Stichtite | Mg6Cr3+2(OH)16[CO3] · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| Takovite | Ni6Al2(OH)16[CO3] · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| UM2002-02-COH:FeNi | (Fe2+,Ni)6Fe3+2(CO3)(OH)16 · 4H2O | |
| Woodallite | Mg6Cr2(OH)16Cl2 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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Other InformationHide
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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 ReevesiteHide
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References for ReevesiteHide
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Reference List:
Mills, S. J., Christy, A. G., Génin, J.-M. R., Kameda, T., Colombo, F. (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76 (5) 1289-1336 doi:10.1180/minmag.2012.076.5.10
Localities for ReevesiteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.