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Coalingite

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Formula:
Mg10Fe23+(OH)24[CO3] · 2H2O
System:
Trigonal
Colour:
Redish brown
Hardness:
1 - 2
Name:
For the nearby town of Coalinga
This page provides mineralogical data about Coalingite.

Classification of Coalingite

Approved 1965
5.DA.55

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

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
11.13.5

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

Year of Discovery:
1965
Geological Setting of Type Material:
Weathering of iron rich brucite

Physical Properties of Coalingite

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

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
Max Birefringence:
δ = 0.028 - 0.045
Image 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:
Mg10Fe23+(OH)24[CO3] · 2H2O
Essential elements:
All elements listed in formula:

Relationship of Coalingite to other Species

Other Members of Group:
5.DA.05DypingiteMg5(CO3)4(OH)2 · 5H2O
5.DA.05GiorgiositeMg5(CO3)4(OH)2 · 5-6H2O
5.DA.05HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
5.DA.05WidgiemoolthaliteNi5(CO3)4(OH)2 · 5H2O
5.DA.05UM1986-10-CO:ClHMgMnZnMg5(Zn,Mn)3(CO3)2(OH,Cl)12 · H2O
5.DA.05UM1987-01-CO:HMgSMg4(CO3)2(OH)2 · 6H2O ?
5.DA.10ArtiniteMg2(CO3)(OH)2 · 3H2O
5.DA.10IndigiriteMg2Al2(CO3)4(OH)2 · 15H2O
5.DA.10ChlorartiniteMg2(CO3)(OH)Cl · 2H2O
5.DA.15OtwayiteNi2(CO3)(OH)2 · H2O
5.DA.15ZaratiteNi3(CO3)(OH)4 · 4H2O
5.DA.20KambaldaiteNaNi4(CO3)3(OH)3 · 3H2O
5.DA.25CallaghaniteCu2Mg2(CO3)(OH)6 · 2H2O
5.DA.30Claraite(Cu,Zn)3(CO3)(OH)4 · 4H2O
5.DA.35HydroscarbroiteAl14(CO3)3(OH)36 · nH2O
5.DA.35ScarbroiteAl5(CO3)(OH)13 · 5H2O
5.DA.40CaresiteFe42+Al2(OH)12[CO3] · 3H2O
5.DA.40QuintiniteMg4Al2(OH)12[CO3] · 3H2O
5.DA.40CharmariteMn42+Al2(OH)12[CO3] · 3H2O
5.DA.45Stichtite-2HMg6(Cr,Al)2(CO3)(OH)16 · 4H2O
5.DA.45BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2O
5.DA.45ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2O
5.DA.45Hydrotalcite-2HMg6Al2(CO3)(OH)16 · 4H2O
5.DA.45Pyroaurite-2HMg6Fe23+(CO3)(OH)16 · 4H2O
5.DA.45ZaccagnaiteZn4Al2(OH)12[CO3] · 3H2O
5.DA.50ComblainiteNi4Co2(OH)12[CO3] · 3H2O
5.DA.50DesautelsiteMg6Mn23+(OH)16[CO3] · 4H2O
5.DA.50HydrotalciteMg6Al2(OH)16[CO3] · 4H2O
5.DA.50PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
5.DA.50ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
5.DA.50StichtiteMg6Cr2(OH)16[CO3] · 4H2O
5.DA.50TakoviteNi6Al2(OH)16[CO3] · 4H2O
5.DA.50UM1998-10-CO:CoHNiCo6Fe2(CO3)(OH)16 · 4H2O ?
11.13.1SideriteFeCO3
11.13.2PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
11.13.3Pyroaurite-2HMg6Fe23+(CO3)(OH)16 · 4H2O
11.13.4BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2O
11.13.6AnkeriteCa(Fe2+,Mg)(CO3)2

Other Names for Coalingite

Name in Other Languages:
German:Coalingit
Spanish:Coalingita

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.

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

Localities for Coalingite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
 
  • Hokkaido
    • Kamikawa Province
      • Nakagawa-cho
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
  • 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
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
  • 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 (TL)
 
  • 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 Benito River headwaters area
            • Dallas Gem Mine area
              • Santa Rita Peak
Emil Box
    • 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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