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About HalurgiteHide

Institute of Halurgy in Saint Petersburg
Mg2[B4O7]2 · 5H2O
2½ - 3
Specific Gravity:
Crystal System:
Named by V.V. Lovanova in 1962 in honor of the Institute of Halurgy, St. Petersburg, Russia, for its significant studies of saline deposits.
This page provides mineralogical data about Halurgite.

Classification of HalurgiteHide

First Published:

H : Unclassified borates
0 :

4 : Tetraborates

9 : Borates
2 : Borates of Be and Mg

Physical Properties of HalurgiteHide

2½ - 3 on Mohs scale
2.19 g/cm3 (Measured)    

Optical Data of HalurgiteHide

Biaxial (+)
RI values:
nα = 1.532 nβ = 1.545 nγ = 1.572
Measured: 70° , Calculated: 72°
Max Birefringence:
δ = 0.040
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of HalurgiteHide

Mg2[B4O7]2 · 5H2O
IMA Formula:
Mg2[B4O5(OH)4]2 · H2O

Crystallography of HalurgiteHide

Crystal System:
Cell Parameters:
a = 13.25 Å, b = 7.6 Å, c = 13.2 Å
β = 92.2°
a:b:c = 1.743 : 1 : 1.737
Unit Cell V:
1,328.26 ų (Calculated from Unit Cell)

Type Occurrence of HalurgiteHide

General Appearance of Type Material:
Fine-grained masses in interstices of halite.
Place of Conservation of Type Material:
Institute of Halurgy.
Mining Institute, St. Petersburg, 1488/1.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 69833.
Geological Setting of Type Material:
Salt dome.

Other Language Names for HalurgiteHide

Related Minerals - Nickel-Strunz GroupingHide

6.H0.10Braitschite-(Ce)(Ca,Na2)7(Ce,La)2B22O43 · 7H2OHex.
6.H0.15SatimoliteKNa2(Al5Mg2)[B12O18(OH)12](OH)6Cl4·4H2OTrig. 3m (3 2/m) : R3m
6.H0.20IquiqueiteK3Na4Mg(CrO4)B24O39(OH) · 12H2OHex.
6.H0.25WardsmithiteCa5Mg[B4O7]6 · 30H2OHex.
6.H0.40EkateriniteCa2(B4O7)(Cl,OH)2 · 2H2OHex.
6.H0.45VitimiteCa6[(OH)14|SO4|B14O19] · 5H2OMon.
6.H0.50CanavesiteMg2(HBO3)(CO3) · 5H2OMon.
6.H0.55QilianshaniteNaHCO3 · H3BO3 · 2H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

9.2.1HambergiteBe2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca
9.2.3KotoiteMg3[BO3]2Orth. mmm (2/m 2/m 2/m) : Pnnm
9.2.6AksaiteMg[B6O7(OH)6] · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbca
9.2.7WightmaniteMg5(BO3)O(OH)5 · 2H2OMon.
9.2.8PinnoiteMg[B2O(OH)6]Tet. 4/m : P42/m
9.2.9KurnakoviteMgB3O3(OH)5 · 5H2OTric. 1 : P1
9.2.11InderiteMgB3O3(OH)5 · 5H2OMon. 2/m : P21/b
9.2.12HungchaoiteMg(B4O7) · 9H2OTric. 1
9.2.13AdmontiteMgB6O10 · 7H2OMon.
9.2.14McallisteriteMg2[B6O7(OH)6]2 · 9H2OTrig. 3m (3 2/m) : R3c
9.2.15RivadaviteNa6Mg[B6O7(OH)6]4 · 10H2OMon. 2/m : P21/m
9.2.16KaliboriteKMg2H[B6O8(OH)5]2(H2O)4Mon. 2/m : B2/b
9.2.17IquiqueiteK3Na4Mg(CrO4)B24O39(OH) · 12H2OHex.

Other InformationHide

IR Spectrum:
Kungar deposit material [cm-1]: 3600sh, 3550sh, 3475, 3425, 3155, 3060sh, 1696, 1610w, 1442, 1375sh, 1325sh, 1310s, 1262, 1154, 1113, 1052, 996, 956s, 930sh, 897s, 859, 807, 794, 762, 731, 720, 675sh, 650w, 635w, 605w, 546w, 465w
Slightly soluble in cold water. Dissolves completely 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 HalurgiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Fleischer, M. (1962) New mineral names. American Mineralogist: 47: 414-420.
Lovanova, V.V. (1962) A new borate, halurgite. Doklady Akademii Nauk SSSR: 143: 693-696.
Fleischer, M. (1962) New mineral names. American Mineralogist: 47: 1216-1223.
Kondrat'eva, V.V. (1964) New X-ray data regarding halurgite and inderborite (in Russian). Kristallografiya: 9: 735-736.
Kondrat'eva, V.V. (1965) New X-ray data regarding halurgite and inderborite (in English). Soviet Physics - Crystallography: 9: 616-617.
International Mineralogical Association (1967) Commission on new minerals and mineral names. Mineralogical Magazine: 36: 131-136.
Jambor, J.L., Grew, E.S., Roberts, A.C. (1996) New mineral names. American Mineralogist: 81: 1513-1518. (a different, unrelated mineral)
Grew, E.S., 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.

Internet Links for HalurgiteHide

Localities for HalurgiteHide

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.
Kazakhstan (TL)
  • Aktobe
    • Shalkar
      • Aksai Valley
Handbook of Mineralogy Vol V p 6; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Chukanov, N.V. (2014): Infrared spectra of mineral species: Extended library. Springer (Springer Geochemistry/Mineralogy), vol. 1, Dordrecht, 1726 pp.
Mineral and/or Locality  
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