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Probertite

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06738230014947560106099.jpg
Probertite

Kohnstein Quarry, Niedersachswerfen, Harztor, Nordhausen District, Thuringia, Germany
00874810014946423157770.jpg
Probertite

U.S. Borax open pit, U.S. Borax Mine, Kramer Borate deposit, Boron, Kern Co., California, USA
04720850014954354709571.jpg
Probertite

Cheverie, Hants Co., Nova Scotia, Canada
06738230014947560106099.jpg
Probertite

Kohnstein Quarry, Niedersachswerfen, Harztor, Nordhausen District, Thuringia, Germany
07642510015144547534663.jpg
Probertite

U.S. Borax open pit, U.S. Borax Mine, Kramer Borate deposit, Boron, Kern Co., California, USA
05921550015766035782256.jpg
Probertite

Cheverie, Hants Co., Nova Scotia, Canada
06738230014947560106099.jpg
Probertite

Kohnstein Quarry, Niedersachswerfen, Harztor, Nordhausen District, Thuringia, Germany
00874810014946423157770.jpg
Probertite

U.S. Borax open pit, U.S. Borax Mine, Kramer Borate deposit, Boron, Kern Co., California, USA
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About ProbertiteHide

Formula:
NaCaB5O7(OH)4 · 3H2O
Colour:
Colourless; colourless in transmitted light
Lustre:
Vitreous
Hardness:
3½
Specific Gravity:
2.14
Crystal System:
Monoclinic
Name:
Named in honor of Frank Holman Probert (13 June 1876, London, England – 7 May 1940, Berkeley, California, USA), Dean of the Mining College, University of California, Berkeley, California, USA, who provided the first specimens.
This page provides mineralogical data about Probertite.


Classification of ProbertiteHide

IMA status:
Approved, 'Grandfathered' (first described prior to 1959)
Strunz 8th ed.:
5/J.05-30
Nickel-Strunz 10th (pending) ed.:
6.EB.15

6 : BORATES
E : Pentaborates
B : Ino-pentaborates
Dana 8th ed.:
26.5.12.1

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
5 : Pentaborates
Hey's CIM Ref.:
9.3.20

9 : Borates
3 : Borates of Ca and Sr

Physical Properties of ProbertiteHide

Lustre:
Vitreous
Transparency:
Transparent
Colour:
Colourless; colourless in transmitted light
Streak:
White
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
On {110}.
Density:
2.14 g/cm3 (Measured)    2.13 g/cm3 (Calculated)

Optical Data of ProbertiteHide

Type:
Biaxial (+)
RI values:
nα = 1.514 nβ = 1.524 nγ = 1.543
2V:
Measured: 73° , Calculated: 74°
Max Birefringence:
δ = 0.029
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 ProbertiteHide

Formula:
NaCaB5O7(OH)4 · 3H2O
Elements listed:
B, Ca, H, Na, O - search for minerals with similar chemistry

Crystallography of ProbertiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 13.43 Å, b = 12.57 Å, c = 6.58 Å
β = 100.25°
Ratio:
a:b:c = 1.068 : 1 : 0.523
Unit Cell V:
1,093.08 ų (Calculated from Unit Cell)
Morphology:
Crystals aggregated into rosettes or radial groups of needles or laths. Spherulitic; as tough, compactly reticulated aggregates. Single crystals rare. Crystals acicular [001], commonly flattened {100} (slightly to considerably); also flattened {110}, rare. Faces "b," "a," and "m" usually striated [001] and rounded.
Twinning:
Doubtful under the microscope.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0009784ProbertiteMenchetti S, Sabelli C, Trosti-Ferroni R (1982) Probertite, CaNa[B5O7(OH)4]*3H2O: a refinement Acta Crystallographica B38 3072-307519820293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of ProbertiteHide

Synonyms of ProbertiteHide

Other Language Names for ProbertiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Probertite associated with UlexiteNaCa[B5O6(OH)6] · 5H2O

Related Minerals - Nickel-Strunz GroupingHide

6.EB.05Larderellite(NH4)B5O7(OH)2 · H2OMon.
6.EB.10EzcurriteNa4B10O17 · 7H2OTric. 1 : P1
6.EB.20TertschiteCa4B10O19 · 20H2OMon.
6.EB.25PriceiteCa2B5O7(OH)5 · H2OMon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

26.5.12.2TuzlaiteNaCaB5O8(OH)2 · 3H2OMon. 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.
9.3.21UlexiteNaCa[B5O6(OH)6] · 5H2OTric. 1 : P1
9.3.22HydroboraciteCaMg[B3O4(OH)3]2 · 3H2OMon.
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

Notes:
Readily soluble in dilute acids. Partially decomposed in hot or cold water, with Na being leached relative to Ca.
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 ProbertiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Eakle, A.S. (1929) Probertite, a new borate. American Mineralogist: 14: 427-430.
Schaller, W.T. (1930) Borate minerals from the Kramer District Mohave Desert, California. USGS Professional Paper 158: 137. (as Kramerite).
Foshag, W.F. (1930) New mineral names. American Mineralogist: 15: 274-276.
Foshag (1931) American Mineralogist: 16: 338.
Barnes (1949) American Mineralogist: 34: 19, 611.
Palache, C., Berman, H., and 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: 343-345.
Clark, J.R. and Christ, C.L. (1959) Studies of borate minerals, V: Reinvestigation of the X-ray crystallography of ulexite and probertite: American Mineralogist: 44: 712-719.
Rumanova, I.M., Kurbanova, K.M., and Belov, N.V. (1966) Determination of the crystal structure of probertite CaNa[B5O7(OH)4]. Soviet Physics-Crystallography: 10: 513-522.
Acta Crystallographica (1982) B38: 3072-3075.
Grew, E.S. and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for ProbertiteHide

Localities for ProbertiteHide

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
Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 497.; 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.
Canada
 
  • Nova Scotia
    • Hants Co.
CanRockhound v.6, n.1 (2001)
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Canchas
American Mineralogist: 79: 1003-1008.
    • Tocopilla Province
      • María Elena
        • Pedro de Valdivia
Marta, V. E. G. A., & Pueyo, J. (1996) Parental Brine Evolution in the Chilean Nitrate Deposits (Pedro de Valdivia, II Region de Antofagasta). Mineralogical and Petrographic Data. Third ISAG, S1 Malo (France), 17-19/9/1996
  • Tarapacá
    • Iquique Province
      • Iquique
Konnert, J.A., Evans, H.T., McGee, J.L., Ericksen, G.E. (1994) Mineralogical studies of the nitrate deposits of Chile: VII. Two new saline minerals with the composition K6(Na,K)4Na6Mg10(XO4)12(IO3)12·12H2O: Fuenzalidaite (X = S) and carlosruizite (X = Se). American Mineralogist: 79(9-10): 1003-1008.
Germany
 
  • Thuringia
    • Nordhausen District
      • 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
Russia
 
Nesterovskiy, V. A., & Deiak, M. A. (2015). Cучасний МІНЕРАЛОГЕНЕЗ В ЕКЗОГЕННИХ СИСТЕМАХ КРИМСЬКОГО ПІВОСТРОВА. Збірник наукових праць Інституту геологічних наук НАН України, 8, 165-172. Modern mineral formation in exogenous systems of Crimean Peninsula
Turkey
 
  • Balikesir Province
    • Bigadiç District
Helvaci, C., & Alaca, O. (1991). Geology and mineralogy of the Bigadiç borate deposits and vicinity. Mineral Res. Expl. Bull, 113, 31-63.
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., & 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.
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)
  • 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. ; Cooper, M. A., Hawthorne, F. C., García-Veigas, J., Alcobé, X., Helvaci, C., Grew, E. S., & Ball, N. A. (2015). Fontarnauite,(Na, K) 2 (Sr, Ca)(SO4)[B5O8 (OH)](H2O) 2, A New Sulfate-Borate Mineral From Doğanlar (Emet), Kütahya Province, Western Anatolia, Turkey. The Canadian Mineralogist, 53(5), 803-820.; 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.
USA
 
  • California
    • Inyo Co.
      • 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)
        • Ryan
Foshag, William Frederick (1931b), Probertite from Ryan, California: American Mineralogist: 16: 338-341; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 376.
Foshag, William Frederick (1931b), Probertite from Ryan, California: American Mineralogist: 16: 338-341; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 256.
Mineralogical Record: 27: 35-40.
Anonymous (1963), California Division of Mines and Geology, Mineral Information Service: California Mineral Production 1962: 16(1): 9; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 154, 377; 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.; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 256.
Foshag, William Frederick (1931b), Probertite from Ryan, California: American Mineralogist: 16: 338-341; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 256.
Am Min (1931), 16:338-341
      • Resting Spring Range
Noble, Levi Fatzinger (1926b), Note on a colemanite deposit near Shoshone, California, with a sketch of the geology of a part of Amargosa Valley: USGS Bulletin 785: 63, 72; Nolan, Thomas Brennan (1964), Geological Survey Research 1963, Summary of investigations: USGS PP 475-A: 11; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 249, 256.
      • Saratoga Mining District (Tecopa Mountain Mining District; Shoshone Mining District ?)
        • Dublin Hills
          • Shoshone
Nolan, Thomas Brennan (1964), Geological Survey Research 1963, Summary of investigations: USGS PP 475-A: 11. Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 153.
Nolan, Thomas Brennan (1964), Geological Survey Research 1963, Summary of investigations: USGS PP 475-A: A-11; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 295, 377.
    • Kern Co.
www.mineralsocal.org
Eakle, Arthur Starr (1929), Probertite, a new borate: American Mineralogist: 14: 427-430; Schaller, Waldemar Theodore (1930), Borate minerals from the Kramer district, Mohave Desert, California: USGS PP 158-I: 137-170; […Mineralogical Magazine: 22: 622 (1931)]: 139; Murdoch, Joseph (1945), Probertite from Los Angeles County, California: American Mineralogist: 30: 720; Gale, Hoyt Stoddard (1946), Geology of the Kramer borate district, Kern County, California: California Division Mines Report 42: 362; Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9): 152, Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 132, 256; Cal Div of Mines & Geology "Mineral Information Service" V. 22 N. 10 Oct 1969
Smith, George Irving, Hy Almond, & D.L. Sawyer, Jr. (1958), Sassolite from the Kramer borate district, California: American Mineralogist: 43: 1070; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 333; Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22: 147; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 137.
Amer.Min.(1928) 13, 452-453; Nickel & Nichols (1991) Mineral Reference Maual; Frondel C, Morgan V (1956) Inderite and gerstleyite from the Kramer borate district, Kern County, California. American Mineralogist 41, 839-843
P Haas collection; Have collected them in the mine-Rock Currier
    • Los Angeles Co.
Foshag, William Frederick (1918), Ulexite from Lang, California: American Mineralogist: 3: 35; Foshag, William Frederick (1921), The origin of the colemanite deposits of California: Economic Geology: 16: 199-214; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 377.
        • Tick Canyon
          • Tick Canyon Borate deposit
Murdoch, Joseph (1945), Probertite from Los Angeles County, California: American Mineralogist: 30: 719-721; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 258.
  • Oklahoma
    • Blaine Co.
      • Southard
Rocks & Minerals 72:4 pp 252-264
      • Watonga
Rocks & Min. vol. 72 (1997)
    • Custer Co.
Rocks & Minerals: 72(4): 252-264.
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