Hilgardite Group
A material that is NOT an approved mineral species
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About Hilgardite Group
This page provides mineralogical data about Hilgardite Group.
Unique Identifiers
Mindat ID:
39748
Long-form identifier:
mindat:1:1:39748:9
GUID
(UUID V4):
(UUID V4):
a7ffc208-1b2b-4faa-b1ba-f5d8d6ceaabb
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0000696 | Hilgardite | Ghose S, Wan C (1979) Hilgardite, Ca2[B5O9]Cl*H2O: a piezoelectric zeolite-type pentaborate American Mineralogist 64 187-195 |  | 1979 | Choctow Salt Dome, Iberville Parish, Louisiana, USA | 0 | 293 |
| 0000901 | Hilgardite | Wan C, Ghose S (1983) Parahilgardite, Ca6[B5O9]3Cl3*3H2O: a triclinic piezoelectric zeolite-type pentaborate American Mineralogist 68 604-613 | | 1983 | Iberville Parish, Louisiana, USA | 0 | 293 |
| 0010290 | Hilgardite | Burns P C, Hawthorne F C (1994) Refinement of the structure of hilgardite-1A Acta Crystallographica C50 653-655 |  | 1994 | Penobsquis potash deposit, Sussex, New Brunswick | 0 | 293 |
| 0015604 | Hilgardite | Rumanova I M, Iorysh Z I, Belov N V (1977) Crystal structure of triclinic chilgardite Ca2[B5O9]Cl*H2O = Ca2[B3+-B2deltaO9]Cl*H2O Soviet Physics Doklady 22 460-462 | 1977 | not given | 0 | 293 | |
| 0019064 | Leucostaurite | Brugger J, Meisser N, Ansermat S, Krivovichev S V, Kahlenberg V, Belton D, Ryan C G (2012) Leucostaurite, Pb2[B5O9]Cl*0.5H2O, from the Atacama Desert: The first Pb-dominant member of the hilgardite group, and micro-determination of boron minerals by PIGE American Mineralogist 97 1206-1212 | 2012 | Mina Asuncion, Atacama Desert, Chile | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Hilgardite Group to other Species
Group Members:
| Hilgardite | Ca2B5O9Cl · H2O | Tric. 1 : P1 |
| Kurgantaite | CaSr[B5O9]Cl · H2O | Tric. 1 : P1 |
| Leucostaurite | Pb2[B5O9]Cl · 0.5H2O | Orth. mm2 : Pnn2 |
| Tyretskite | Ca2B5O9OH · H2O | Tric. 1 : P1 |
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.
Internet Links for Hilgardite Group
mindat.org URL:
https://www.mindat.org/min-39748.html
Please feel free to link to this page.
Please feel free to link to this page.
Mineral Dealers:
Localities for Hilgardite Group
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Canada | |
| [Kurgantaite] Grice, J.D., Gault, R.A., and Van Velthuizen, J. (2005) Borate Minerals of the Penobsquis and Millstream Deposits, Southern New Brunswick, Canada. The Canadian Mineralogist: 43: 1469-1487. |
| [Hilgardite] Grice, J.D., Gault, R.A., Van Velthuizen, J. (1996) Penobsquisite: a new borate mineral with a complex framework structure. The Canadian Mineralogist: 34(3): 657-665.; Canadian Mineralogist (1996): 34: 881-892 | |
| [Hilgardite] P.C. Burns, F.C. Hawthorne, J.A.R. Stirling: Can. Mineral. 30:445-448 (1992); Roulston, B.V. and Waugh, D.C.E. (1981) A borate mineal assemblage from the Penobsquis and Salt Springs evaporite deposits of southern New Brunswick. Canadian Mineralogist: 19: 291-301. |
| [Hilgardite] Grice, J.D., Gault, R.A., Van Velthuizen, J. (2005) Borate minerals of the Penobsquis and Millstream deposits, southern New Brunswick, Canada. The Canadian Mineralogist: 43: 1469-1487. |
Chile | |
| [Leucostaurite] Brugger, J., Meisser, N., Ansermat, S., Krivovichev, S.V., Kahlenberg, V., Belton, D., Ryan, C.G. (2012) Leucostaurite, Pb2[B5O9]Cl·0.5H2O, from the Atacama Desert: The first Pb-dominant member of the hilgardite group, and micro-determination of boron minerals by PIGE. American Mineralogist: 97: 1206-1212. |
| [Leucostaurite] Brugger J, Meisser N, Ansermat S, Krivovichev S V, Kahlenberg V, Belton D, Ryan C G (2012) Leucostaurite, Pb2[B5O9]Cl·0.5H2O, from the Atacama Desert: The first Pb-dominant member of the hilgardite group, and micro-determination of boron minerals by PIGE. American Mineralogist 97, 1206-1212 |
| [Leucostaurite] SEM-EDS and Raman Spectroscopy by Joy Desor |
China | |
| [Kurgantaite] Anthony, J.W. et al.: Handbook of Mineralogy |
| [Hilgardite-3Tc] Li, M., Yan, M., Wang, Z., Liu, X., Fang, X., & Li, J. (2015). The origins of the Mengye potash deposit in the Lanping–Simao Basin, Yunnan Province, Western China. Ore Geology Reviews, 69, 174-186. |
Germany | |
| [Hilgardite] [Clark, 1993 - "Hey's Mineral Index"] |
Israel | |
| [Hilgardite] Anthony, et al (2003) Handbook of Mineralogy, Vol. 5, p. 288. |
Kazakhstan | |
| [Hilgardite] Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; ERCOSPAN (2011) Independent Geological Report on the Zhilianskoe and Chelkar Potash Deposits in Kazakhstan EGB 11-012; Коротченкова, О. В., & Чайковский, И. И. (2016). БОРНЫЕ МИНЕРАЛЫ ЧЕЛКАРСКОГО МЕСТОРОЖДЕНИЯ. Проблемы минералогии, петрографии и металлогении. Научные чтения памяти ПН Чирвинского, (19), 55-65. |
| [Hilgardite] Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30; Pekov, I. V. & Abramov, D. V. (1993): Boron deposit of the Inder and its minerals. World of Stones, 1, 23-30. |
| [Kurgantaite] Pekov, I.V., E.V. Lovskaya, N.V. Chukanov, A.E. Zadov, V.N. Appolonov, D.Yu. Pushcharovsky, O. Ferro & S.A. Vinogradova (2001): Kurgantaite CaSr(B3O9)Cl · H2O: revalidation of the mineral species and new data.- Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 130(3), 71-79 (in Russian). | |
Russia | |
| [Kurgantaite] AmMin 87:1509-1512 |
| [Tyretskite] Museum Victoria Registration Number: M 33372 |
| [Hilgardite] Dimitri Belakovski | |
| [Kurgantaite] Pekov, I.V., E.V. Lovskaya, N.V. Chukanov, A.E. Zadov, V.N. Appolonov, D.Yu. Pushcharovsky, O. Ferro & S.A. Vinogradova (2001): Kurgantaite CaSr(B3O9)Cl · H2O: revalidation of the mineral species and new data.- Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 130(3), 71-79 (in Russian).; Jambor, J.L., Grew, E.S., Roberts, A.C. (2002) New mineral names. American Mineralogist, 87, 1509-1513 (1510-1511). |
| [Hilgardite] Mazurov, M.P., Grishina, S.N., Istomin, V.E., and Titov, A.T. (2007): Geology of Ore Deposits 49(4), 271-284. |
Turkey | |
| [Hilgardite-4M] Koçak, İ. & Koç, Ş. (2016): Geochemical characteristics of Kırka (Sarıkaya) borate deposit, northwestern Anatolia, Turkey. Journal of Earth System Science: 125: 147-164; http://forum.amiminerals.it/viewtopic.php?f=5&t=12548 (2016) |
UK | |
| [Hilgardite] BMS Collection hilgardite-1TC; UK Journal of Mines and Minerals, No. 14 p4-7; Milne, J. K. (1978). The potash deposits and their associates in the area of the Boulby mine, Cleveland. PhD thesis University of Edinburgh |
| [Hilgardite] Smith, F.W., Dearlove, J.P.L., Kemp, S.J., Bell, C.P., Milne, C.J. and Pottas, T.L. (2014) Potash – Recent exploration developments in North Yorkshire. Pp. 45-50 in Hunger, E., Brown, T. J. and Lucas, G. (Eds.) Proceedings of the 17th Extractive Industry Geology Conference, EIG Conferences Ltd. 202pp |
| [Hilgardite] Smith, F.W., Dearlove, J.P.L., Kemp, S.J., Bell, C.P., Milne, C.J. and Pottas, T.L. (2014) Potash – Recent exploration developments in North Yorkshire. Pp. 45-50 in Hunger, E., Brown, T. J. and Lucas, G. (Eds.) Proceedings of the 17th Extractive Industry Geology Conference, EIG Conferences Ltd. 202pp | |
| [Hilgardite] Kemp, S. J., Smith, F. W., Wagner, D., Mounteney, I., Bell, C. P., Milne, C. J., ... & Pottas, T. L. (2016). An improved approach to characterize potash-bearing evaporite deposits, evidenced in North Yorkshire, United Kingdom. Economic Geology, 111(3), 719-742. | |
USA | |
| [Hilgardite] Rocks & Min.: 64:472. Simmons, W. B. (1988). Boron Mineralization in the Louann Salt and Norphlet Shale Clarke County, Alabama. Gulf Coast Association of Geological Societies Transactions Vol. 38 (1988), Pages 553-560 |
| [Hilgardite] Hurlbut, C. S., Taylor, R. E. (1937): Hilgardite, a new mineral species from Choctaw Salt Dome, Louisiana. American Mineralogist. 22, 1052-1057; American Mineralogist 23:898 |
Boulby Mine, Loftus, Redcar and Cleveland, North Yorkshire, England, UK