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Huntite

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Cedar Hill Quarry, Fulton Township, Lancaster Co., Pennsylvania, USA
© M.Heintzelman

Show Huntite Photos (4)
Formula:
CaMg
 
3
(CO
 
3
)
 
4
System:TrigonalColour:White to Lemon White
Lustre:EarthyHardness:1 - 2


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
Colour:White to Lemon White
Streak:White
Hardness (Mohs):1 - 2

Crystallography of Huntite

Crystal System:Trigonal
Cell Parameters:a = 9.5Å, c = 7.82Å
Ratio:a:c = 1 : 0.823
Unit Cell Volume:V 611.20 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

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,Mn
2+
 
)(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

German names:
Huntit
Russian names:
Хантит
Spanish names:
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
  • Search for Huntite in the Natural History Museum (London) online catalogue
  • Huntite details from Handbook of Mineralogy (PDF)
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    Localities for Huntite

    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
     
    • 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"]
    • Victoria
      • Bundoora
      • Melbourne
        • Clifton Hill
    • Western Australia
      • Widgiemooltha
    		No reference listed
    Austria
     
    • Lower Austria
      • Waldviertel
        • Drosendorf
          • Eibenstein
    		Krahuletzmuseum Eggenburg exhibition
        • Mühldorf
    		Collection of NHM, Vienna
    • Styria
      • Bad Radkersburg
        • Klöch
    		Postl, W. (1999)
    Canada
     
    • British Columbia
      • Golden Mining Division
        • Radium Hot Springs
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • Moravia - Silesia 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
          • Biskoupky
    		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
          • Pernštejn
    		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
        • Borghetto Vara
          • Faggiona
    Japan
     
    • Kyushu Island
      • Nagasaki Prefecture
    		Takeuchi & Urakawa (2000) Koubutsu-Gakkai Kou'en-Youshi, 106.
    Russia
     
    • Northern Caucasus Region
      • Kabardino-Balkarian Republic
        • Baksan Valley
          • Tyrnyauz Mo-W deposit
    South Africa
    Minerals of South Africa
    Minerals of South Africa
    Spain
     
    • Catalonia
      • Barcelona
        • Vallès Oriental
          • Montcada i Reixac
    		Mineralogistes de Catalunya (1997), VII (1): 59
    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
    		No reference listed
      • San Benito Co.
        • New Idria District
    		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
    		No reference listed
    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.
        • 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.
    • 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.
    Mineral and/or Locality
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