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Huntite

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Big Photo

Cedar Hill Quarry (Stoltzfuss Quarry), Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA
© M.Heintzelman

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Formula:
CaMg
 
3
(CO
 
3
)
 
4
System:TrigonalColour:White to Lemon White
Lustre:EarthyHardness: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

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/B.03-70
Nickel-Strunz 10th (pending) edition ID:5.AB.25

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
B : Alkali-earth (and other M2+) carbonates
Dana 7th edition ID:14.4.3.1
Dana 8th edition ID:14.4.3.1

14 : ANHYDROUS NORMAL CARBONATES
4 : Miscellaneous
Hey's CIM Ref.:11.4.7

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

Type Locality:Ala-Mar deposit (Currant Creek deposit; Manzoni deposit), Currant District, White Pine Co., Nevada, USA
Year of Discovery:1953

Physical Properties of Huntite

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

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:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction:
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:
CaMg
 
3
(CO
 
3
)
 
4
Essential elements:C, Ca, Mg, O
All elements listed in formula:C, Ca, Mg, O

Relationship of Huntite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.AB.05Calcite
CaCO
 
3
5.AB.05Gaspéite
(Ni,Mg,Fe)CO
 
3
5.AB.05Magnesite
MgCO
 
3
5.AB.05Otavite
CdCO
 
3
5.AB.05Rhodochrosite
MnCO
 
3
5.AB.05Siderite
FeCO
 
3
5.AB.05Smithsonite
ZnCO
 
3
5.AB.05Spherocobaltite
CoCO
 
3
5.AB.10Ankerite
Ca(Fe
2+
 
,Mg)(CO
 
3
)
 
2
5.AB.10Dolomite
CaMg(CO
 
3
)
 
2
5.AB.10Kutnohorite
Ca(Mn,Mg,Fe)(CO
 
3
)
 
2
5.AB.10Minrecordite
CaZn(CO
 
3
)
 
2
5.AB.15Aragonite
CaCO
 
3
5.AB.15Cerussite
PbCO
 
3
5.AB.15Strontianite
SrCO
 
3
5.AB.15Witherite
BaCO
 
3
5.AB.20Vaterite
CaCO
 
3
5.AB.30Norsethite
BaMg(CO
 
3
)
 
2
5.AB.35Alstonite
BaCa(CO
 
3
)
 
2
5.AB.40Olekminskite
Sr(Sr,Ba)(CO
 
3
)
 
2
5.AB.40Paralstonite
BaCa(CO
 
3
)
 
2
5.AB.45Barytocalcite
BaCa(CO
 
3
)
 
2
5.AB.50Carbocernaite
(Ca,Na)(Sr,Ce,Ba)(CO
 
3
)
 
2
5.AB.55Benstonite
(Ba,Sr)
 
6
(Ca,Mn)
 
6
Mg(CO
 
3
)
 
13
5.AB.60Juangodoyite
Na
 
2
Cu(CO
 
3
)
 
2
Related Minerals - Hey's Index Grouping:

- +
11.4.1Calcite
CaCO
 
3
11.4.2Aragonite
CaCO
 
3
11.4.3Vaterite
CaCO
 
3
11.4.4Monohydrocalcite
CaCO
 
3
 · H
 
2
O
11.4.5Ikaite
CaCO
 
3
 · 6H
 
2
O
11.4.6Dolomite
CaMg(CO
 
3
)
 
2
11.4.8Sergeevite
Ca
 
2
Mg
 
11
(CO
 
3
)
 
13
 · 10H
 
2
O

Other Names for Huntite

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

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 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

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Huntite details from Handbook of Mineralogy (PDF)
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    • Localities for Huntite

    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.
    Hide Locality List
    (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
     
    • Australian Capital Territory
      • Brindabella Mts
        • Cotter
    		Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
    • Queensland
    		[MinRec 19 p469-490 - "Sielecki, R: The Mount Isa-Cloncurry mineral field"]
    • 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
      • Bundoora
      • Deer Park
    		Maggie Wilson
      • Gisborne
    		Judy Rowe collection
      • Yarra City Shire
        • Collingwood
          • Clifton Hill
    • 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
      • Mostviertel
        • Dunkelstein Forest
          • Dunkelsteinerwald
            • Dürnberg
    		Erwin Löffler & Gerald Knobloch collections
      • Waldviertel
        • Mühldorf
    		Collection of NHM, Vienna
        • 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 (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • 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.
    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.
    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).
    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.
    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.
        • Gabbs District
    		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
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    Uzbekistan
     
    • Tashkent (Toshkent) Viloyati
    		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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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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. 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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