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Coalingite

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Formula:
Mg
 
10
Fe
3+
2
(OH)
 
24
[CO
 
3
] · 2H
 
2
O
System:TrigonalColour:Redish brown
Hardness:1 - 2
Member of:Hydrotalcite Supergroup
Name:For the nearby town of Coalinga
This page provides mineralogical data about Coalingite.

Classification of Coalingite

IMA status:Approved 1965
Strunz 8th edition ID:5/E.01-60
Nickel-Strunz 10th (pending) edition ID:5.DA.55

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
Dana 8th edition ID:16b.7.6.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
Hey's CIM Ref.:11.13.5

11 : Carbonates
13 : Carbonates of Fe
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Type Occurrence of Coalingite

Co-type Localities:New Idria Serpentinite Asbestos deposits, Wright Mountain, New Idria District, Diablo Range, Fresno Co., California, USA
New Idria District, Diablo Range, San Benito Co., California, USA
Year of Discovery:1965
Geological Setting of type material:Weathering of iron rich brucite

Physical Properties of Coalingite

Lustre:Resinous
Diaphaneity (Transparency):Translucent
Colour:Redish brown
Hardness (Mohs):1 - 2
Cleavage:Distinct/Good
Basal?
Density (measured):2.32 - 2.33 g/cm3

Crystallography of Coalingite

Crystal System:Trigonal
Cell Parameters:a = 3.12Å, c = 37.4Å
Ratio:a:c = 1 : 11.987
Unit Cell Volume:V 315.29 ų (Calculated from Unit Cell)
Morphology:Hexagonal plates, equant grains.

Optical Data of Coalingite

Type:Uniaxial (-)
RI values: nω = 1.588 - 1.635 nε = 1.560 - 1.590
Maximum Birefringence:δ = 0.028 - 0.045

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Pleochroism:Visible
Comments:Golden brown to colorless

Chemical Properties of Coalingite

Formula:
Mg
 
10
Fe
3+
2
(OH)
 
24
[CO
 
3
] · 2H
 
2
O
Simplified for copy/paste:Mg10Fe3+2(OH)24[CO3]·2H2O
Essential elements:C, Fe, H, Mg, O
All elements listed in formula:C, Fe, H, Mg, O

Relationship of Coalingite to other Species

Member of:Hydrotalcite Supergroup
Other Members of Group:

- +
Brugnatellite
Mg
 
6
Fe
3+
 
(CO
 
3
)(OH)
 
13
· 4H
 
2
O
Cualstibite Group
Fougèrite Group
Glaucocerinite Group
Hydrocalumite Group
Hydrotalcite Group
Mg
 
6
R
3+
2
(OH)
 
16
CO
 
3
·4H
 
2
O, where R
3+
 
= Al, Cr, or Fe
Muskoxite
Mg
 
7
Fe
 
4
O
 
13
· 10H
 
2
O
Quintinite Group
Wermlandite Group
Woodwardite Group
Related Minerals - Nickel-Strunz Grouping):

- +
5.DA.05Dypingite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
· 5H
 
2
O
5.DA.05Giorgiosite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
· 5-6H
 
2
O
5.DA.05Hydromagnesite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
· 4H
 
2
O
5.DA.05Widgiemoolthalite
Ni
 
5
(CO
 
3
)
 
4
(OH)
 
2
· 5H
 
2
O
5.DA.05UM1986-10-CO:ClHMgMnZn
Mg
 
5
(Zn,Mn)
 
3
(CO
 
3
)
 
2
(OH,Cl)
 
12
· H
 
2
O
5.DA.05UM1987-01-CO:HMgS
Mg
 
4
(CO
 
3
)
 
2
(OH)
 
2
· 6H
 
2
O ?
5.DA.10Artinite
Mg
 
2
(CO
 
3
)(OH)
 
2
· 3H
 
2
O
5.DA.10Indigirite
Mg
 
2
Al
 
2
(CO
 
3
)
 
4
(OH)
 
2
· 15H
 
2
O
5.DA.10Chlorartinite
Mg
 
2
(CO
 
3
)(OH)Cl · 2H
 
2
O
5.DA.15Otwayite
Ni
 
2
(CO
 
3
)(OH)
 
2
· H
 
2
O
5.DA.15Zaratite
Ni
 
3
(CO
 
3
)(OH)
 
4
· 4H
 
2
O
5.DA.20Kambaldaite
NaNi
 
4
(CO
 
3
)
 
3
(OH)
 
3
· 3H
 
2
O
5.DA.25Callaghanite
Cu
 
2
Mg
 
2
(CO
 
3
)(OH)
 
6
· 2H
 
2
O
5.DA.30Claraite
(Cu,Zn)
 
3
(CO
 
3
)(OH)
 
4
· 4H
 
2
O
5.DA.35Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
· nH
 
2
O
5.DA.35Scarbroite
Al
 
5
(CO
 
3
)(OH)
 
13
· 5H
 
2
O
5.DA.40Caresite
Fe
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.40Quintinite
Mg
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.40Charmarite
Mn
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.45Stichtite-2H
Mg
 
6
(Cr,Al)
 
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O
5.DA.45Brugnatellite
Mg
 
6
Fe
3+
 
(CO
 
3
)(OH)
 
13
· 4H
 
2
O
5.DA.45Chlormagaluminite
Mg
 
4
Al
 
2
(OH)
 
12
Cl
 
2
· 3H
 
2
O
5.DA.45Hydrotalcite-2H
Mg
 
6
Al
 
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O
5.DA.45Pyroaurite-2H
Mg
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O
5.DA.45Zaccagnaite
Zn
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.50Comblainite
Ni
 
4
Co
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.50Desautelsite
Mg
 
6
Mn
3+
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50Hydrotalcite
Mg
 
6
Al
 
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50Pyroaurite
Mg
 
6
Fe
3+
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50Reevesite
Ni
 
6
Fe
3+
2
(OH)
 
16
(CO
 
3
) · 4H
 
2
O
5.DA.50Stichtite
Mg
 
6
Cr
 
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50Takovite
Ni
 
6
Al
 
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50UM1998-10-CO:CoHNi
Co
 
6
Fe
 
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O ?
Related Minerals - Hey's Index Grouping:

- +
11.13.1Siderite
FeCO
 
3
11.13.2Pyroaurite
Mg
 
6
Fe
3+
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
11.13.3Pyroaurite-2H
Mg
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
· 4H
 
2
O
11.13.4Brugnatellite
Mg
 
6
Fe
3+
 
(CO
 
3
)(OH)
 
13
· 4H
 
2
O
11.13.6Ankerite
Ca(Fe
2+
 
,Mg)(CO
 
3
)
 
2

Other Names for Coalingite

Synonyms:
IMA1965-011
Other Languages:
German:Coalingit
Spanish:Coalingita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Coalingite

Reference List:

- +
Munro, R.C. & K.M. Reim (1962), Coalingite – a newcomer to the asbestos industry: Mining Engineering: 14(9): 60-62.

Mumpton, F.A., H.W. Jaffe & C.S. Thompson (1965), Coalingite, a new mineral from the New Idria serpentinite, Fresno and San Benito counties, California: American Mineralogist: 50: 1893-1913.

Pastor-Rodriguez, J. and Taylor, H.F.W. (1971) Crystal structure of coalingite. Mineralogical Magazine: 38: 286-294.

Mills, S. J., A. G. Christy, J.-M. R. Genin, T. Kameda, and F. Colombo (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine 76(5), 1289-1336.

Internet Links for Coalingite

Search Engines:
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  • External Links:
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  • Look for Coalingite on Athena Mineralogy
  • Look for Coalingite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
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  • Rare and Unusual minerals at Mineralogical Research Company
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  • Localities for Coalingite

    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • New South Wales
      • Darling Co.
    • Tasmania
    R Bottrill, unpub MRT rept
    Austria
     
    • Styria
      • Fischbacher Alpen
        • St. Jakob-Breitenau
          • Eibegggraben
    Bojar, H.-P. & Postl, W. (2005)
      • Knittelfeld
        • St Lorenzen bei Knittelfeld
    R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • Nunavut Territory
      • Coppermine River area
    AmMin 54:437
    • Québec
      • Abitibi-Témiscamingue
        • Abitibi RCM
          • Launay
    Crook III, W.W. & Jambor, J.L. (1979) Nickelbischofite, a new nickel chloride hydrate. Canadian Mineralogist 17, 107-109.
      • Estrie
        • Les Sources RCM
          • Asbestos
    HORVÁTH, L., PFENNINGER-HORVÁTH, E. and SPERTINI, F. (2013) The Jeffrey mine, Asbestos, Québec, Canada: A mineralogical review. Mineralogical Record, 44, 375-417.
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • South Moravia Region
        • Oslavany
          • Hrubšice
    Kovář, O., Losos, Z., Houzar, S., Zeman, J., 2008: Hydromagnezit, brugnatellit a coalingit v minerální asociasi puklin serpentinitu z kamenolomu „U Pustého mlýna“ u Hrubšic, moldanubikum, západní Morava. – Acta. Mus. Moraviae, Sci. geol., 93: 19-35.
    Italy
     
    • Aosta Valley
      • Montjovet
    Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    • Liguria
      • Genova Province
        • Cogoleto
    • Lombardy
      • Sondrio Province
        • Valtellina
          • Malenco Valley
            • Lanterna Valley
              • Lanzada
                • Campo Franscia (Franscia)
    Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
                • Scerscen Valley
    Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
            • Torre di Santa Maria
              • Ciappanico
    Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Aichi prefecture
          • Shinshiro city
    Suzuki J, Ito M, Sugiura T (1976) A new copper sulfate-carbonate hydroxide hydrate mineral, (Mn,Ni,Cu)8(SO4)4(CO3)(OH)6·48H2O, from Nakauri, Aichi Prefecture, Japan. Journal of Mineralogy, Petrology and Economic Geology 71, 183-192
      • Kinki region
        • Mie Prefecture
    Gunnar Farber specimens
    • Kyushu Region
      • Fukuoka prefecture
    上原誠一郎. (1987). Serpentine minerals from Sasaguri area, Fukuoka Prefecture, Japan. 岩石鉱物鉱床学会誌, 82(3), 106-118.
    Romania
     
    • Suceava Co.
      • Suceava district
        • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
    http://minerals-of-the-carpathians.eu
    Russia
     
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
    Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
    USA
     
    • California
      • Fresno Co.
        • Diablo Range
          • New Idria District
            • Wright Mountain
    Mumpton, F.A. Jaffe, H.W., and Thompson, C.S. (1965) Coalingite, a new mineral from the New Idria serpentinite, Fresno and San Benito counties, California. American Mineralogist: 50: 1893-1913; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 198.
      • San Benito Co.
        • Diablo Range
    American Mineralogist 1965: 50: 1893-1913.
    Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 199.
            • Picacho Peak
              • Clear Creek area
    www.mineralsocal.org
      • San Francisco Co.
        • San Francisco
    Learned, E. (1965) Sjogrenite confirmed from California. Gems and Minerals: 332: 54; Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 59, 62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 199.
    • Maryland
      • Montgomery Co.
        • Rockville
    minerals of washington d.c. area; L.R. Bernstein
    • New York
      • New York City
    Jensen (1978) Minerals of New York State, p.83
    • Pennsylvania
      • Lancaster Co.
        • State Line Chromite District
          • Fulton Township
    FM newsletter vol.31 no.1 Jan-Mar '01 pg.6
    Mineral and/or Locality  
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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