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Huntite

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Walter Frederick Hunt
Formula:
CaMg3(CO3)4
System:
Trigonal
Colour:
White
Lustre:
Earthy
Hardness:
1 - 2
Name:
Named by George T. Faust in honor of Walter Frederick Hunt [September 6, 1882 - December 19, 1975], professor of mineralogy at the University of Michigan.
Huntite forms compact fibrous chalky masses. It is found in caverns in magnesian rocks.

Classification of Huntite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
5.AB.25

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
B : Alkali-earth (and other M2+) carbonates
Dana 7th ed.:
14.4.3.1
14.4.3.1

14 : ANHYDROUS NORMAL CARBONATES
4 : Miscellaneous
11.4.7

11 : Carbonates
4 : Carbonates of Ca
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Type Occurrence of Huntite

Year of Discovery:
1953

Physical Properties of Huntite

Earthy
Diaphaneity (Transparency):
Translucent
Comment:
Fine-grained
Colour:
White
Streak:
White
Hardness (Mohs):
1 - 2
Tenacity:
Brittle
Cleavage:
None Observed
None
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
2.696 g/cm3 (Measured)    2.87 g/cm3 (Calculated)

Crystallography of Huntite

Crystal System:
Trigonal
Class (H-M):
3 2 - Trapezohedral
Space Group:
R3 2
Cell Parameters:
a = 9.505Å, c = 7.821Å
Ratio:
a:c = 1 : 0.823
Unit Cell Volume:
V 611.92 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Fine-grained to chalky.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction Data:
d-spacingIntensity
2.89 (20)
2.83 (100)
2.60 (10)
2.43 (10)
1.991 (10)
1.972 (30)
1.765 (20)
1.757 (20)
Comments:
14-409

Optical Data of Huntite

Type:
Uniaxial
Pleochroism:
Non-pleochroic

Chemical Properties of Huntite

Formula:
CaMg3(CO3)4
Essential elements:
All elements listed in formula:

Relationship of Huntite to other Species

5.AB.05CalciteCaCO3
5.AB.05Gaspéite(Ni,Mg,Fe)CO3
5.AB.05MagnesiteMgCO3
5.AB.05OtaviteCdCO3
5.AB.05RhodochrositeMnCO3
5.AB.05SideriteFeCO3
5.AB.05SmithsoniteZnCO3
5.AB.05SpherocobaltiteCoCO3
5.AB.10AnkeriteCa(Fe2+,Mg)(CO3)2
5.AB.10DolomiteCaMg(CO3)2
5.AB.10KutnohoriteCa(Mn,Mg,Fe)(CO3)2
5.AB.10MinrecorditeCaZn(CO3)2
5.AB.15AragoniteCaCO3
5.AB.15CerussitePbCO3
5.AB.15StrontianiteSrCO3
5.AB.15WitheriteBaCO3
5.AB.20VateriteCaCO3
5.AB.30NorsethiteBaMg(CO3)2
5.AB.35AlstoniteBaCa(CO3)2
5.AB.40OlekminskiteSr(Sr,Ca,Ba)(CO3)2
5.AB.40ParalstoniteBaCa(CO3)2
5.AB.45BarytocalciteBaCa(CO3)2
5.AB.50Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2
5.AB.55Benstonite(Ba,Sr)6(Ca,Mn)6Mg(CO3)13
5.AB.60JuangodoyiteNa2Cu(CO3)2
11.4.1CalciteCaCO3
11.4.2AragoniteCaCO3
11.4.3VateriteCaCO3
11.4.4MonohydrocalciteCaCO3 · H2O
11.4.5IkaiteCaCO3 · 6H2O
11.4.6DolomiteCaMg(CO3)2
11.4.8SergeeviteCa2Mg11(CO3)13 · 10H2O

Other Names for Huntite

Name in Other Languages:
German:Huntit
Russian:Хантит
Spanish:Huntita

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 Huntite

Reference List:
Graf, D.L & W.F. Bradley (1962), The crystal structure of huntite Mg3Ca(CO3)4, Acta Crystallographica: 15: 238-242.

American Mineralogist: 38: 4-24.

Kinsman, D.J.J. (1967), Huntite from a carbonate evaporite environment: American Mineralogist: 52: 1332-1340.

American Mineralogist: 71: 163-166.

Internet Links for Huntite

Localities for Huntite

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
 
  • Australian Capital Territory
    • Brindabella Range
      • Cotter River
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
  • New South Wales
    • Westmoreland Co.
      • Oberon
Podgson RE, Osborne RAL, Colchester DM, Minerals of Jenolan Caves, New South Wales, Australia: Geological and Biological Interactions, Proceedings of the Linnean Society of New South Wales 134, 1-18.
  • Queensland
[MinRec 19 p469-490 - "Sielecki, R: The Mount Isa-Cloncurry mineral field"]
      • Mount Isa district
Sielecki, R. (1988) The Mount Isa-Cloncurry mineral field. Mineralogical Record, Vol. 19, pg. 469-490.
  • South Australia
    • Mt Lofty Ranges
      • South Mt Lofty Ranges (Adelaide Hills)
        • Para Hills
Salisbury East geological investigation. South Australia. Department of Primary Industries and Resources. Open file Envelope
        • Tea Tree Gully
          • Anstey Hill Recreation Park
Skinner, B. J. (1958) Huntite frorn Tea Tree Gully, South Australia . Amer. Mineral. 43, 159-162.
Skinner, B. J. (1958) Huntite frorn Tea Tree Gully, South Australia . Amer. Mineral. 43, 159-162.
  • Victoria
    • Deer Park
W.F.Cole & C.J.Lancucki 1975. Huntite from Deer Park, Victoria, Australia. The American Mineralogist, Vol. 60 pages 1130-1131, 1975
    • Gisborne
Judy Rowe collection
    • Greater Melbourne Region
      • City of Yarra
        • Collingwood
          • Clifton Hill
- Birch, W. D., ed. (1989): Zeolites of Victoria. The Mineralogical Society of Victoria Inc., Special Publication No. 2, Melbourne, Australia, pp. 1-30,92,93,97 & 99
  • Western Australia
    • Coolgardie Shire
      • Widgiemooltha
No reference listed
    • Wiluna Shire
      • Mount Keith
Grguric, B.A. (2003) Minerals of the MKD5 nickel deposit, Mount Keith, Western Australia. Australian Journal of Mineralogy, Vol. 9, No. 2 , pg. 55-71.
Austria
 
  • Lower Austria
    • Wachau
      • Schönbühel-Aggsbach
        • Wolfstein
          • Raintal (Dürnberg)
Erwin Löffler & Gerald Knobloch collections
    • Waldviertel
      • Mühldorf
Collection of NHM, Vienna
GOLDMANN, Ch. & LÖFFLER, E. (2008): Die Mineralienfundstellen des Graphitbergbaues Amstall, NÖ. - MEFOS 19/35, 4 - 34, Wien.
      • Raabs an der Thaya
        • Eibenstein an der Thaya
Krahuletzmuseum Eggenburg exhibition
  • Styria
    • Bad Radkersburg
      • Klöch
Postl, W. (1998): Huntit aus dem Nephelinit-Steinbruch in Klöch, Steiermark. - Mitt. Abt. Miner. Landesmuseum Joanneum, 63/63,71-74.
Canada
 
  • British Columbia
    • Golden Mining Division
      • Radium Hot Springs
GJ Simandl, KD Hancock (1991) Geology of the Mount Brussilof Magnesite Deposit, Southeastern British Columbia (82J/12, 13). British Columbia Geological Survey Paper 1991-I pp 269-278
  • Saskatchewan
D. M. Egan (1986) The Occurrence of Scarbroite at Muskiki Lake, Saskatchewan, Canada. Mineralogical Magazine 50:180
Chile
 
  • Tarapacá Region
    • Iquique Province
      • Chanabaya
Collected by Reynaldo Contreira
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Benešov (Beneschau)
Pauliš, P. Veselovský, F., Kadlec, T., Franc, J.: Huntit z kamenolomu Bernartice u Dolních Kralovic (Česká republika). Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2010, roč. 18, č. 1, s. 85-88.
    • Plzeň Region
      • Klatovy (Klattau)
        • Švihov
Černý, P., Veselovský, F., Vítovec, J., 2005: Mineralogická charakteristika huntitu z Kokšína jižně od Švihova. - Bull. Mineral.-Petr. Odd. Národ. muzea v Praze, 13, 119-121.
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Hranice na Moravě
Paděra, K., Povondra, P.: Das Vorkommen des Huntits und Magnesits aus den Grotten Zbrašov bei Teplice nad Bečvou (Teplitz a. d. Bečva - Mähren). Acta Universitatis Carolinae, Geologica, 1964, no. 1, s. 15-24.
    • South Moravia Region
      • Oslavany
        • Hrubšice
Jirásek, J.: Nový nález huntitu u Hrubšic na západní Moravě a otázka jeho vzniku. Acta Musei Moraviae, Sci. geol., 2007, roč. 92, s. 103-109.
    • Vysočina Region
      • Žďár nad Sázavou
        • Věžná
http://pruvodce.geol.morava.sci.muni.cz/Vezna_hadec/Vezna_hadec_text.htm; Petr Pauliš (2001): Nejzajímavější mineralogická naleziště Moravy a Slezska. Kuttna, Kutná Hora.
France
 
  • Languedoc-Roussillon
    • Hérault
No reference listed
Germany
 
  • Bavaria
    • Franconia
      • Münchberg Metamorphic complex
        • Zell
Weiss: "Mineralfundstellen, Deutschland West", 1990
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Sounion area
          • Sounion Mines
Lapis, 24, 7/8 (1999); J. Gröbner und U. Kolitsch (2002): Neufunde von Laurion aus den Jahren 2001 und 2002. Aufschluss 53 (5-6), 363-371; Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German).
Hungary
 
  • Komárom-Esztergom Co.
    • Pilisi Basin
No reference listed
  • Pest Co.
    • Börzsöny Mts
      • Márianosztra
Szakáll & Jánosi. Minerals of Hungary, 1995
Italy
 
  • Liguria
    • La Spezia Province
      • Vara Valley
        • Borghetto Vara
Japan
 
  • Kyushu Region
    • Nagasaki Prefecture
Takeuchi & Urakawa (2000) Koubutsu-Gakkai Kou'en-Youshi, 106.
Takeuchi & Urakawa (2000) Koubutsu-Gakkai Kou'en-Youshi, 106.
Pakistan
 
  • Balochistan (Baluchistan)
    • Khuzdar District
BASHIR, E., NASEEM, S., SHEIKH, S. A., & KALEEM, M. (2009). Khuzdar Bölgesi (Belucistan, Pakistan) ndeki Kraubath tipi manyezit yataklarının mineralojisi. Yerbilimleri/Hacettepe Üniversitesi Yerbilimleri Uygulama ve Araştırma Merkezi Dergisi, 30(3), 169-180.
Russia
 
  • Northern Caucasus Region
    • Kabardino-Balkarian Republic
      • Baksan Valley
        • Tyrnyauz Mo-W deposit
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • 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).
Slovakia
 
  • Banská Bystrica Region
    • Lučenec Co.
Ozdín D., Farsang Š.: Mineralogická charakteristika a odlíšenie piatich roznych bieliych karbonátov z bazaltového lomu při Bulharoch na jižnom Slovensku. Minerál, 2013, 21, 6, 552-555.
South Africa
Cairncross, B. and Dixon, R., (1995), Minerals of South Africa.
Spain
 
  • Catalonia
    • Barcelona
      • Vallès Occidental
        • Montcada i Reixac
Mineralogistes de Catalunya (1997), VII (1): 59
Turkey
 
  • Central Anatolia Region
Irion, G., Müller, G. (1968): Huntite, Dolomite, Magnesite and Polyhalite of Recent Age from Tuz Gölü, Turkey. Nature, 220, 1309-1310.; Helvaci, C., Mordogan, H., Çolak, M., & Gündogan, I. (2004). Presence and distribution of lithium in borate deposits and some recent lake waters of west-central Turkey. International Geology Review, 46(2), 177-190.
USA
 
  • Arizona
    • Pima Co.
      • Tohono O'odom (Papago) Indian Reservation
        • Cimarron & Sheridan Mts
          • Cimarron District (Salt Well District)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 253, 284.
  • California
    • Riverside Co.
      • Crestmore
Carpenter, A.B. (1962), Mineral assemblage, magnesium calcite-aragonite-huntite at Crestmore, California (abstract): Geological Society of America Program of Annual Meeting, 1961, Nov 2-4, Cincinnati, Ohio: 22A; ibid. Special Paper 68: 22A, 146 (1962); Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 220; Kinsman, D.J.J. (1967) Huntite from a carbonate evaporate environment. American Mineralogist: 52: 1332-1340; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 222.
    • San Benito Co.
      • Diablo Range
        • New Idria District
          • Picacho Peak
Mineralogical Record: 36(4): 337-363.
    • Santa Cruz Co.
      • Santa Cruz
  • Colorado
    • Lake Co.
      • Leadville District
        • Upper Iowa Gulch
Minerals of Colorado (1997) Eckels, E. B.
  • Maryland
    • Montgomery Co.
      • Rockville
minerals of washington d.c. area; L.R. Bernstein
  • Nevada
    • Lander Co.
      • Reese River District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Nye Co.
      • Paradise Range
        • Gabbs District
          • Gabbs
Rocks & Minerals, Nov. 1999
    • White Pine Co.
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Eddy Co.
      • Carlsbad
Clays and Clay Minerals; June 2000; v. 48; no. 3; p. 317-321
Northrop, Minerals of New Mexico, 3rd. Rev. Ed., 1996
    • San Juan Co.
      • San Juan Basin
Minerals of New Mexico 3rd ed.
  • North Carolina
    • Yancey Co.
Tien,P.,1977,Carbonate minerals from a dunite mine,Yancey County,North Carolina
x-ray diffraction data from 1986 East Carolina Univ. field trip (Pei Lin Tien)
  • Pennsylvania
    • Lancaster Co.
      • State Line Chromite District
        • Fulton Township
Ref.1; The Mineralogy of Pennsylvania 1966-1975, Robert C. Smith II Ref.2;Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Reed, Juliet C., Min. Soc. of PA, Inc. (1976): 14, 41, 47-48; Lapham, Davis M. & Barnes, John H. (1971), "Unusual Mins. Found in PA," PA Geol., Vol. 2(6):2.
  • South Dakota
    • Custer Co.
http://windcave.areaparks.com/parkinfo.html?pid=17374
  • Utah
    • Beaver Co.
      • Rocky Range
        • Rocky District
UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Juab Co.
      • East Tintic Mts
        • Tintic District
          • Eureka
UGMS Bull 117 Minerals and Mineral Localities of Utah
Uzbekistan
 
  • Tashkent Viloyati (Toshkent)
Golovanov, I. M.: O nachodke chantita v mestorožděnii Kurgašinkan (UzSSR). Doklady Akademii nauk SSSR, 1959, tom. 124, no. 2, s. 398 - 401.
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