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Coalingite

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Clear Creek deposits, Clear Creek area, New Idria District, Diablo Range, San Benito Co., California, USA
© Knut Eldjarn

Show Coalingite Photos (12)
Formula:
Mg
 
10
Fe
3+
2
[(OH)
 
24
|CO
 
3
] · 2H
 
2
O
System:TrigonalColour:Redish brown
Hardness:1 - 2
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, New Idria Mine area, 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
Essential elements:C, Fe, H, Mg, O
All elements listed in formula:C, Fe, H, Mg, O

Relationship of Coalingite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.DA.05Dypingite
Mg
 
5
[OH|(CO
 
3
)
 
2
]
 
2
 · 5H
 
2
O
5.DA.05Giorgiosite
Mg
 
5
[(CO
 
3
)
 
4
(OH)
 
2
] · 4H
 
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
[(OH)
 
2
|CO
 
3
] · 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
)(H
 
2
O)(OH)]Cl · H
 
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
[(OH)
 
6
|CO
 
3
] · 2H
 
2
O
5.DA.30Claraite
(Cu,Zn)
 
3
[(OH)
 
4
|CO
 
3
] · 4H
 
2
O
5.DA.35Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
·nH
 
2
O
5.DA.35Scarbroite
Al
 
5
(OH)
 
13
CO
 
3
·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
H
 
2
O
5.DA.40Charmarite
Mn
2+
4
Al
 
2
[(OH)
 
12
|CO
 
3
] · 3H
 
2
O
5.DA.45Barbertonite
Mg
 
6
(Cr,Al)
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Brugnatellite
Mg
 
6
Fe
3+
 
[(OH)
 
13
|CO
 
3
] · 4H
 
2
O
5.DA.45Chlormagaluminite
(Mg,Fe
2+
 
)
 
4
Al
 
2
[(OH)
 
12
|(Cl
 
2
,CO
 
3
)] · 2H
 
2
O
5.DA.45Manasseite
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Sjögrenite
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Zaccagnaite
Zn
 
4
Al
 
2
(CO
 
3
)(OH)
 
12
·3H
 
2
O
5.DA.50Comblainite
(Ni
 
x
,Co
 
1-x
)(OH)
 
2
(CO
 
3
)
 
(1-x)/2
·nH
 
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
11.13.3Sjögrenite
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
11.13.4Brugnatellite
Mg
 
6
Fe
3+
 
[(OH)
 
13
|CO
 
3
] · 4H
 
2
O
11.13.6Ankerite
Ca(Fe
2+
 
 ,Mg,Mn
2+
 
)(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.

Internet Links for Coalingite

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  • Raman and XRD data at RRUFF project
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    Localities for Coalingite

    Hide Locality List
    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.
    Austria
     
    • Styria
      • Fischbacher Alpen Mts
        • St. Jakob-Breitenau
          • Eibegggraben
    		Bojar, H.-P. & Postl, W. (2005)
      • Leoben
        • Kraubath
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • Northwest Territories
      • Coppermine River area
    		AmMin 54:437
    • Québec
      • Abitibi-Témiscamingue
        • Abitibi RCM
          • Launay
    		Canadian Mineralogist (1979) 17, 107-109
      • Estrie
        • Les Sources RCM
          • Asbestos
    		Horváth & Spertini (2008 & 2009)
    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
    USA
     
    • California
      • Fresno Co.
        • Diablo Range
          • New Idria District
            • New Idria Mine area
    		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.
            • Clear Creek area
    		www.mineralsocal.org
    • 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.
        • 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 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 2nd Nov 2009 15:34:19