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About HulsiteHide

Alfred H. Brooks
Vitreous, Sub-Metallic
Specific Gravity:
Crystal System:
Named in 1908 by Adolph Knopf and Waldemar T. Schaller in honor of Alfred Hulse Brooks, American (July 18, 1871 – November 22, 1924), chief geologist in Alaska for the United States Geological Survey from 1903 to 1924.
The Fe2+ analogue of Magnesiohulsite.

Classification of HulsiteHide

Approved, 'Grandfathered' (first described prior to 1959)

A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.

2 : A2BO2[XO3]

9 : Borates
6 : Borates of Ti, Sn and Ta

Physical Properties of HulsiteHide

Vitreous, Sub-Metallic
On {110}
4.28 g/cm3 (Measured)    

Chemical Properties of HulsiteHide

IMA Formula:

Crystallography of HulsiteHide

Crystal System:
Cell Parameters:
a = 10.68 Å, b = 3.09 Å, c = 5.43 Å
β = 94.15°
a:b:c = 3.456 : 1 : 1.757
Unit Cell V:
178.73 ų (Calculated from Unit Cell)
Small, rectangular crystals. Faces uneven and dull. Tabular masses.
On [001]. One member of the twinning rotated 120° relative to the other.

Type Occurrence of HulsiteHide

Geological Setting of Type Material:
Contact metamorphosed limestone.
Associated Minerals at Type Locality:

Other Language Names for HulsiteHide

Simplified Chinese:黑硼锡铁矿

Relationship of Hulsite to other SpeciesHide

Other Members of this group:
Aluminomagnesiohulsite(Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2Mon. 2/m
FolvikiteSb5+Mn3+(Mg,Mn2+)10O8(BO3)4Mon. 2 : P2

Common AssociatesHide

Associated Minerals Based on Photo Data:
8 photos of Hulsite associated with SchoenfliesiteMg[Sn(OH)6]
5 photos of Hulsite associated with MagnetiteFe2+Fe3+2O4
5 photos of Hulsite associated with VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
4 photos of Hulsite associated with AndraditeCa3Fe3+2(SiO4)3

Related Minerals - Nickel-Strunz GroupingHide

6.AB.05HambergiteBe2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca
6.AB.10BerboriteBe2(BO3)(OH,F) · H2OTrig.
6.AB.15JeremejeviteAl6(BO3)5(F,OH)3Hex. 6/m : P63/m
6.AB.40BlatteriteSb5+(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32Orth. mmm (2/m 2/m 2/m) : Pnnm
6.AB.45Aluminomagnesiohulsite(Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2Mon. 2/m
6.AB.50HydroxylboriteMg3(BO3)(OH)3Hex. 6/m : P63/m
6.AB.55ShabyniteMg5(BO3)(OH)5(Cl,OH)2 · 4H2OMon.
6.AB.55WightmaniteMg5(BO3)O(OH)5 · 2H2OMon.
6.AB.65SakhaiteCa12Mg4(BO3)7(CO3)4(OH)2ClIso. m3m (4/m 3 2/m) : Fd3m
6.AB.70HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2OTrig. 3m (3 2/m) : R3m
6.AB.75Pertsevite-(F)Mg2(BO3)(F,OH)Orth. mm2 : Pna21
6.AB.75Pertsevite-(OH)Mg2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
6.AB.80JacquesdietrichiteCu2(H2BO3)(OH)3Orth. mmm (2/m 2/m 2/m) : Pmna
6.AB.85PainiteCaZrAl9(BO3)O15Hex. 6/m : P63/m

Related Minerals - Dana Grouping (8th Ed.)Hide,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

9.6.3NordenskiöldineCaSn4+[BO3]2Trig. 3 : R3
9.6.6Béhierite(Ta5+,Nb5+)(BO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd

Other InformationHide

Readily soluble in HCl and HF but less reactive in other acids.

Alters to Limonite.
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 HulsiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Knopf, A., Schaller, W.T. (1908) Two new boron minerals of contact-metamorphic origin. American Journal of Science: 175: 323-331.
Schaller, W.T. (1910) Chemical composition of hulsite and paigeite. American Journal of Science: Series 4: 29: 543-549.
Palache, C., Berman, H., Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 326.
Vlisidid, A.C., Schaller, W.T. (1974) The identity of paigeite with vonsenite, and chemical analysis of vonsenite, ludwigite and hulsite. Neues Jahrbuch für Mineralogie, Monatshefte 1974(3-4): 95-105.
Konnert, J.A., Appleman, D.E., Clark, J.R., Finger, L.W., Kato, T., Miúra, Y. (1976) Crystal structure and cation distribution of hulsite, a tin-iron borate. American Mineralogist: 61: 116-122.
Grew, E.S., Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Rudnev, V.V. (1996) Monoclinic ferromagnesian oxiborates of hulsite isomorphic series, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 125(1) 89-109 [in Russian].
Šrein, V., Hloušek, J. (1998) Ludwigit a hulsit z Krušných hor. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze: roč. 6: 243-246.

Internet Links for HulsiteHide

Localities for HulsiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Tasmania
    • West Coast municipality
      • Mt Lindsay mineral field
R Bottrill, unpublished research
      • Queenstown district
        • Mount Lyell Mines
USGS Open-File Report 2009-1252 Sediment-hosted zinc-lead deposits of the world - Database and grade and tonnage models
      • Zeehan district
        • Mt Heemskirk mineral field
Bottrill, R.S., Baker, W.E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey Tasmania Bulletin 73, 254 pages.
        • Zeehan mineral field
Bottrill, R.S., Baker, W.E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey Tasmania Bulletin 73, 254 pages.
  • Yukon
    • Watson Lake mining district
Liverton, T., 2016. A-type granite plutons and tin skarns in southeast Yukon: Mindy prospect and surrounding granite of 105C/9. In: Yukon Exploration and Geology 2015, K.E. MacFarlane and M.G. Nordling (eds.), Yukon Geological Survey, p. 151-164.
  • Guangdong
    • Heyuan
      • Lianping Co.
Jianxiong Zhou and Jinyan Lu (1981): Acta Mineralogica Sinica 1(4), 193-199; Lianshun Feng (1986): Geology and Prospecting 22(3), 21-27
  • Hunan
    • Chenzhou
      • Linwu Co.
        • Xianghualing Sn-polymetallic ore field
Dequan Zhang and Lihua Wang (1988): Mineral Deposits 7(4), 33-42
    • Hengyang
      • Changning Co.
        • Dayishan Sn-polymetallic ore field
Aleksandrov, S.M. (1998): Geochemistry of skarn and ore formation in dolomites. VSP (Utrecht, Tokyo), 300 pp.
  • Sichuan
    • Liangshan
      • Xichang County
Shihui Yang and Guangxue Fu (1983), In: Collected Papers of the Chengdu Institute of Geology and Mineral Resources, Geological Society of China Publications, Vol. 4
Czech Republic
  • Karlovy Vary Region
    • Karlovy Vary District
      • Boží Dar
Šrein, V., Hloušek, J.: Ludwigit a hulsit z Krušných hor. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1998, roč. 6, s. 243-246.
  • Miyazaki Prefecture
    • Nishiusuki District
      • Hinokage
Takeda collection
  • Republic of Karelia
    • Ladoga Region
Ivashchenko, V. I., Valkama, M., Sundblad, K., Golubev, A. I., & Alekseev, V. Y. (2011, September). New data on mineralogy and metallogeny of scarns in the Pitkyaranta ore region. In Doklady Earth Sciences (Vol. 440, No. 1, pp. 1307-1311). SP MAIK Nauka/Interperiodica; Aleksandrov, S. M., & Troneva, M. A. (2009). Composition and genesis of endogenous borates from the Pitkáranta ore field, Karelia. Geochemistry International, 47(9), 914-929.
  • Sakha Republic (Yakutia)
    • Polar Yakutia
      • Dogdo River Basin
        • Tas-Khayakhtakh Range
http://maurice.strahlen.org/yakutia/yakutia.htm; Seltmann, R., Soloviev, S., Shatov, V., Pirajno, F., Naumov, E., & Cherkasov, S. (2010). Metallogeny of Siberia: tectonic, geologic and metallogenic settings of selected significant deposits*. Australian Journal of Earth Sciences, 57(6), 655-706
  • Castile-La Mancha
    • Toledo
      • San Pablo de los Montes
        • Morro Viñas
  • Alaska
    • Nome Census Area
      • Seward Peninsula
Knopf, A., Schaller, W.T. (1908) Two new boron minerals of contact-metamorphic origin. American Journal of Science: 175: 323-331; Schaller, W.T. (1910) Chemical composition of hulsite and paigeite. American Journal of Science: Series 4: 29: 543-549.;
        • York Range
Aleksandrov, S. M. (2010). Skarn-greisen deposits of the lost river and mount ear ore field, Seward Peninsula, Alaska, United States. Geochemistry International, 48(12), 1220-1236.
Mineral and/or Locality  
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