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Coalingite

Big Photo

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

Show Coalingite Photos (9)
Formula:
Mg
 
10
Fe
3+
2
[(OH)
 
24
|CO
 
3
] · 2H
 
2
O
System:TrigonalHardness:1 - 2
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:Fresno Co., California, USA
San Benito Co., California, USA
Year of Discovery:1965

Physical Properties of Coalingite

Hardness (Mohs):1 - 2

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)

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

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.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.60Karchevskyite
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
German names:
Coalingit
Spanish names:
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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    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.
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    (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
    		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
    Italy
     
    • Liguria
      • Genova Province
        • Cogoleto
    USA
     
    • California
    		No reference listed
    No reference listed
        • New Idria District
          • Clear Creek area
    		www.mineralsocal.org
    • Maryland
      • Montgomery Co.
        • Rockville
    		minerals of washington d.c. area; L.R. Bernstein
    • New York
      • New York City
        • Staten Island Borough
    		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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