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Hydroboracite

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About HydroboraciteHide

Formula:
CaMg[B3O4(OH)3]2 · 3H2O
Colour:
Colourless, white
Lustre:
Vitreous, Silky
Hardness:
2
Crystal System:
Monoclinic
Name:
In allusion to the composition, being a HYDRated BORAte.
This page provides mineralogical data about Hydroboracite.


Classification of HydroboraciteHide

Approved, 'Grandfathered' (first described prior to 1959)
6.CB.15

6 : BORATES
C : Triborates
B : Ino-triborates
26.3.6.1

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
3 : Triborates
9.3.22

9 : Borates
3 : Borates of Ca and Sr

Pronounciation of HydroboraciteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of HydroboraciteHide

Vitreous, Silky
Transparency:
Transparent
Colour:
Colourless, white
Hardness:

Optical Data of HydroboraciteHide

Type:
Biaxial (+)
RI values:
nα = 1.520 - 1.523 nβ = 1.534 - 1.535 nγ = 1.569 - 1.571
2V:
Measured: 60° to 66°, Calculated: 62° to 66°
Max Birefringence:
δ = 0.049
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively weak

Chemical Properties of HydroboraciteHide

Formula:
CaMg[B3O4(OH)3]2 · 3H2O

Crystallography of HydroboraciteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 11.76 Å, b = 6.68 Å, c = 8.23 Å
β = 102.59°
Ratio:
a:b:c = 1.76 : 1 : 1.232
Unit Cell V:
630.98 ų (Calculated from Unit Cell)
Morphology:
Crystals elongated [001] and flattened {010}. Lamellar-fibrous radiating or columnar. Compact and fine-grained.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0005149HydroboraciteSabelli C, Stoppioni A (1978) Refinement of the crystal structure of hydroboracite The Canadian Mineralogist 16 75-8019780293
CIF Raw Data - click here to close

Type Occurrence of HydroboraciteHide

Geological Setting of Type Material:
The original description of the type locality is the Caucasus. The original location has not been found.

Other Language Names for HydroboraciteHide

Simplified Chinese:水方硼石
Traditional Chinese:水方硼石

Common AssociatesHide

Associated Minerals Based on Photo Data:
15 photos of Hydroboracite associated with ColemaniteCa[B3O4(OH)3] · H2O
7 photos of Hydroboracite associated with TunelliteSrB6O9(OH)2 · 3H2O
5 photos of Hydroboracite associated with AnhydriteCaSO4
2 photos of Hydroboracite associated with GypsumCaSO4 · 2H2O
1 photo of Hydroboracite associated with GörgeyiteK2Ca5(SO4)6 · H2O
1 photo of Hydroboracite associated with SzaibélyiteMgBO2(OH)

Related Minerals - Nickel-Strunz GroupingHide

6.CB.10ColemaniteCa[B3O4(OH)3] · H2OMon. 2/m : P21/b
6.CB.20HowliteCa2B5SiO9(OH)5Mon. 2/m : P21/b
6.CB.25JarandoliteCa[B3O4(OH)3]Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

9.3.1CalciboriteCa(B2O4)Orth.
9.3.2SibirskiteCa2(HB2O5)(OH)Mon.
9.3.3FabianiteCaB3O5OHMon. 2/m : P21/b
9.3.4UralboriteCa2[B3O3(OH)5 · OB(OH)3]Mon.
9.3.5VimsiteCaB2O2(OH)4Mon.
9.3.6OlshanskyiteCa2[B3O3(OH)6](OH) · 3H2OTric.
9.3.7FroloviteCa[B(OH)4]2Tric.
9.3.8KorzhinskiteCa(B2O4) · H2OMon. 2/m : P2/m
9.3.9TyretskiteCa2B5O9OH · H2OTric.
9.3.10NifontoviteCa3B6O6(OH)12(H2O)2Mon.
9.3.12InyoiteCa(H4B3O7)(OH) · 4H2OMon. 2/m
9.3.13GoweriteCa[B5O8(OH)][B(OH)3] · 3H2OMon.
9.3.14ColemaniteCa[B3O4(OH)3] · H2OMon. 2/m : P21/b
9.3.15PentahydroboriteCaB2O(OH)6 · 2H2OTric.
9.3.16HexahydroboriteCa[B(OH)4]2 · 2H2O or CaB2O4 · 6H2OMon. 2/m : B2/b
9.3.17MeyerhofferiteCa2(H3B3O7)2 · 4H2OTric. 1 : P1
9.3.18PriceiteCa2B5O7(OH)5 · H2OMon. 2/m : P21/b
9.3.19GinoriteCa2B14O20(OH)6 · 5H2OMon.
9.3.20ProbertiteNaCaB5O7(OH)4 · 3H2OMon. 2/m
9.3.21UlexiteNaCa[B5O6(OH)6] · 5H2OTric. 1 : P1
9.3.23InderboriteCaMg(H3B3O7)2 · 8H2OMon. 2/m
9.3.24WardsmithiteCa5Mg[B4O7]6 · 30H2OHex.
9.3.25HenmiliteCa2Cu[B(OH)4]2(OH)4Tric.
9.3.26StrontioboriteSr[B8O11(OH)4]Mon. 2 : P21
9.3.27VeatchiteSr2B11O16(OH)5 · H2OMon. m : Bb
9.3.28Veatchite-ASr2B11O16(OH)5 · H2OTric.
9.3.29 P-VeatchiteSr2B11O16(OH)5 · H2O
9.3.30 BalavinskiteSr2B6O11 · 4H2O
9.3.31TunelliteSrB6O9(OH)2 · 3H2OMon. 2/m : P21/b
9.3.32StrontioginoriteCaSrB14O20(OH)6 · 5H2OMon. 2/m : P21/b

Other InformationHide

IR Spectrum:
material from District #99 of an underground mine within the Inder deposit [cm-1]: 3600s, 3500sh, 3395, 3335, 3220s, 3140, 2925, 1660sh, 1592w, 1420sh, 1395s, 1301, 1281, 1190, 1135sh, 1100, 1084, 1060sh, 1050sh, 992s, 966s, 955sh, 887s, 858, 8
Notes:
Virtually insoluble in cold water. Partially dissolved by prolonged submersion in boiling water.
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 HydroboraciteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hess (1834) Annalen der Physik, Halle, Leipzig: 31: 49.
Lottner (1865) Zeitschrift der Deutsche geologische Gesellschaft, Berlin: 17: 430.
Erdmann (1907) Chemie und Industrie der Kalisalze, Berlin: 12.
Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 88.
Schaller (1928) Festsch. Goldschmidt, Heidelberg: 256.
Boldyreva (1936) Mater. Cent. Sc. Geol. Prosp. Inst., no. 1: 62 (Min. Abs. (1936): 6: 336.
Boldyreva in Godlevsky (1937) Mineralogicheskoe Obshchestvo, Leningrad, Zapiski: 66: 315; ...(abstract) Min. Abs.: 7: 122.
Boky (1937) Bull. ac. sc. U.R.S.S., Cl. sc. mat. nat., Ser. chim.: 871;...(abstrat) Min. Abs.: 7: 123.
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: 353-355.
C. Sabelli and A. Stoppioni (1978): Refinement of the crystal structure of hydroboracite. Canadian Mineralogist 16, 75-80.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Chukanov, N.V. (2014): Infrared spectra of mineral species: Extended library. Springer (Springer Geochemistry/Mineralogy), vol. 1, Dordrecht, 1726 pp.

Internet Links for HydroboraciteHide

Localities for HydroboraciteHide

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.
Argentina
 
  • Salta Province
    • Los Andes department
      • Salar del Hombre Muerto
      • Sijes
www.sijes.com.ar
www.sijes.com.ar
www.sijes.com.ar
CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, 9:1-27.
Alonso, R. N. (1999). On the origin of La Puna borates. Acta geológica hispánica, 34(2), 141-166.; CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, 9:1-27.
http://www.irocks.com/Inyoite.html
Garrett, D.E. (1998): Borates - Handbook of Deposits, Processing, Properties and Use. Academic Press (San Diego, London), 475 pp.; Alonso, R. N. (1999). On the origin of La Puna borates. Acta geológica hispánica, 34(2), 141-166.; CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, 9:1-27.
Galliski, M.A., Cooper, M.A., Márquez-Zavalía, M.F., and Hawthorne, F.C. (2010) Alfredstelznerite: a new calcium borate hydrate from Santa Rosa mine, Salta, northwestern Argentina. Canadian Mineralogist, 48, 123-128; CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, 9:1-27.
www.sijes.com.ar
Azerbaijan
 
  • Gobustan District
    • Caspian Sea
Novgorodova M.I., Mamedov Yu.G.. Native aluminium from mud volcano at the Bulla island (caspian Sea), - Lithology and Mineral Resourses,1996,N4,p. 339-349
Canada
 
  • New Brunswick
    • Kings Co.
      • Cardwell Parish
        • Penobsquis
Grice, J.D., Gault, R.A., Van Velthuizen, J., and Pratt, A. (2002) Walkerite: a new borate mineral species in an evaporitic sequence from Sussex, New Brunswick. Canadian Mineralogist: 40: 1675-1686.; Canadian Mineralogist (1996): 34: 881-892
      • Hammond Parish
        • Salt Springs evaporite deposit
BURNS, P.C., HAWTHORNE, F.C. & STIRLING, J.A.R. (1992): Trembathite, (Mg,Fe)3B7O13Cl, a new borate mineral from the Salt Springs potash deposit, Sussex, New Brunswick. Canadian Mineralogist 30, 445-448.
      • Studholm Parish
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.
China
 
  • Qinghai
    • Haixi Mongol and Tibetan Autonomous Prefecture
      • Da Qaidam (Dachaidan Co.)
Keqin Cai and Ziqiang Qian (1982): Acta Mineralogica Sinica 2(4), 290-295; Shaoxiu Yang (1991): Journal of Lake Sciences 3(1), 1-10; Garrett, D.E. (1998): Borates: Handbook of deposits, processing, properties, and use. Academic Press (San Diego, London), 491 pp.; Qingzhong Wang, Yingkai Xiao, Chonggeng Zhang, Haizhen Wei, and Zhiqi Zhao (2001): Bulletin of Mineralogy, Petrology and Geochemistry 20(4), 344-366; Zheng, M. P., Qi, W., & Yuan, H. R. (2005). Characteristics of salt lake boron deposits and magnesium borate deposits of the Qinghai-Tibet Plateau, China. In Mineral Deposit Research: Meeting the Global Challenge (pp. 1123-1125). Springer Berlin Heidelberg.
Germany
 
  • Saxony-Anhalt
    • Stassfurt Potash deposit
      • Egeln
        • Tarthun
No reference listed
  • Thuringia
    • Nordhausen District
      • Ellrich
        • Woffleben
W. Fischer & M. Lischke (1981): Hydroboracit von Woffleben, eine vorläufige Fundbeschreibung. Fundgrube 1/1981, 28-29.
      • Harztor
        • Niedersachswerfen
Siemroth, J. (2008): Das Vorkommen von Boratmineralien im Werra-Anhydrit des Steinbruchs Kohnstein bei Niedersachswerfen am Südharz, Der Aufschluss, Vol. 59, 353-366
Iran
 
  • Zanjan Province
    • Mahneshan County
      • Dandi
M Nazari collection
Kazakhstan
 
  • Aktobe Region
    • Shalkar
      • Aksai Valley
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.
  • Atyrau Region
    • Inder
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.
        • Mt Kzyl-tau
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Turkey
 
  • Balikesir Province
Kistler, R. B., & Helvaci, C. (1994). Boron and borates. Industrial minerals and rocks, 6, 171-186.
Helvaci, C., & Alaca, O. (1991). Geology and mineralogy of the Bigadiç borate deposits and vicinity. Mineral Res. Expl. Bull, 113, 31-63.
Mining Annual Review(1985):128.
      • Çamköy
Helvaci, C., & Alaca, O. (1991). Geology and mineralogy of the Bigadiç borate deposits and vicinity. Mineral Res. Expl. Bull, 113, 31-63.
Helvaci, C., & Alaca, O. (1991). Geology and mineralogy of the Bigadiç borate deposits and vicinity. Mineral Res. Expl. Bull, 113, 31-63.
Helvaci, C., & Alaca, O. (1991). Geology and mineralogy of the Bigadiç borate deposits and vicinity. Mineral Res. Expl. Bull, 113, 31-63.
  • Bursa Province
    • Mustafakemalpaşa District
CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, Vol. 9, 2000, pp. 1-27; Helvaci, C. (1994). Mineral assemblages and formation of the Kestelek and Sultancayir borate deposits. Proc. 29th Intl. Geol. Congr. Part A, 245-284.; 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.
  • Eskişehir Province
    • Seyitgazi District
      • Kirka
García-Veigas, J., & Helvacı, C. (2013). Mineralogy and sedimentology of the Miocene Göcenoluk borate deposit, Kırka district, western Anatolia, Turkey. Sedimentary Geology, 290, 85-96.
CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, Vol. 9, 2000, pp. 1-27
  • Kütahya Province
    • Emet District
      • Doğanlar village
J. García-Veigas, L. Rosell, X. Alcobé, I. Subias, F. Ortí, I. Gündogan and C. Helvaci (2010) Fontarnauite, a New Sulphate-Borate Mineral from the Emet Borate District (Turkey). Macla 13, 97-98. ; García-Veigas, J., Rosell, L., Ortí, F., Gündoğan, İ., & Helvacı, C. (2011). Mineralogy, diagenesis and hydrochemical evolution in a probertite–glauberite–halite saline lake (Miocene, Emet Basin, Turkey). Chemical Geology, 280(3-4), 352-364.
      • Emet Borate deposit
CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, Vol. 9, 2000, pp. 1-27; American Mineralogist; April 1979; v. 64; no. 3-4; p. 362-366; Koçak, İ., Koç, Ş. (2018): Geochemical characteristics of The Emet (Espey-Hisarcik) borate deposits, Kütahya, Turkey. Journal of African Earth Sciences, 142, 52-63.
American Mineralogist; April 1979; v. 64; no. 3-4; p. 362-366
USA
 
  • California
    • Inyo Co.
      • Amargosa Range
        • Black Mountains
          • Monte Blanco
www.mineralsocal.org
      • Amargosa Valley
Countryman, R.L. (1977): Hydroboracite from the Amargosa desert, eastern California. Mineralogical Record 8, 503-504; Pemberton, H. Earl (1978) Hydroboracite from the Furnace Creek formation. Mineralogical Record: 9: 379-381; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 240; www.mineralsocal.org.
      • Death Valley
Crowley, J.K. (1996) Mg- and K-bearing borates and associated evaporites at Eagle Borax Spring, Death Valley, California; a spectroscopic exploration. Economic Geology: 91: 622-635.
      • Furnace Creek Mining District (Furnace Creek Borate Mining District)
Foshag, William Frederick (1924a), Famous mineral localities: Furnace Creek, Death Valley, California: American Mineralogist: 9: 9; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 240.
Foshag, William Frederick (1924a), Famous mineral localities: Furnace Creek, Death Valley, California: American Mineralogist: 9: 8-10; Schaller, Waldemar Theodore (1928), Hydroboracite from California Festschrift Victor Goldschmidt: 256-262, Heidelberg: 256; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 221.
Countryman, R.I. (1977), Hydroboracite from the Amargosa Desert, eastern California: Mineralogical Record: 8: 503-504; Pemberton, H. Earl (1978) Hydroboracite from the Furnace Creek formation. Mineralogical Record: 9: 379-381.; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 240, 255; Nevada Bureau of Mines and Geology Report 26, "Guidebook: Las Vegas to Death Valley and Return," Mackay School of Mines, University of Nevada - Reno, 1976.; Collected it in the mine-Rock Currier
Rock Currier, Collected them in the mine.; Rock Currier
        • Twenty Mule Team Canyon
Erd, R.C., J.F. McAllister & H. Almond (1959), Gowerite, a new hydrous calcium borate from Death Valley, California: American Mineralogist: 44: 911-919.
      • Greenwater Range
Countryman, R.I. (1977), Hydroboracite from the Amargosa Desert, eastern California: Mineralogical Record: 8: 503; Pemberton, H. Earl (1978) Hydroboracite from the Furnace Creek formation. Mineralogical Record: 9: 246, 379-381; Pemberton, H. Earl (1983), Minerals of California: 240-241.
    • Kern Co.
www.mineralsocal.org
Pemberton, H. Earl, Wm. Moller, Jack Schwartz & George Masimer (1960), The minerals of Boron, California, 40 pp. (Published by the Mineral Research Soc. of California, Montebello, CA): 29; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 221; Cal Div of Mines & Geology "Mineral Information Service" V. 22 N. 9 Sept 1969
Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22: 152; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 241.
    • Ventura Co.
      • San Emigdio Mountains
        • Ventura County Borate Mining District (Stauffer Mining District)
          • Lake of the Woods area
            • Lockwood Valley
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 221.
 
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