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Vonsenite

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Magnus Vonsen
Formula:
Fe22+Fe3+(BO3)O2
System:
Orthorhombic
Colour:
Black, greenish black
Hardness:
5
Member of:
Name:
Named in 1920 by Arthur S. Eakle in honor of Magnus Vonsen [April 17, 1880 {erroneously 1879} Vallejo near Petaluma, California, USA - June 16, 1954], mineral collector of Petaluma, California who donated his extensive collection to the California Academy of Sciences.
Isostructural with:
Ludwigite Group. Ludwigite-Vonsenite Series. The Fe2+ analogue of Ludwigite.

A high-temperature mineral occurring in contact metamorphic deposits.

Classification of Vonsenite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
6.AB.30

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
24.2.1.2

24 : ANHYDROUS BORATES
2 : A2BO2[XO3]
9.8.1

9 : Borates
8 : Borates of Fe
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Type Occurrence of Vonsenite

Year of Discovery:
1920

Physical Properties of Vonsenite

Silky
Diaphaneity (Transparency):
Opaque
Colour:
Black, greenish black
Streak:
Black, blackish green
Hardness (Mohs):
5
Cleavage:
None Observed
Density:
4.7 g/cm3 (Measured)    

Crystallography of Vonsenite

Crystal System:
Orthorhombic
Cell Parameters:
a = 9.45Å, b = 12.28Å, c = 3.07Å
Ratio:
a:b:c = 0.77 : 1 : 0.25
Unit Cell Volume:
V 356.26 ų (Calculated from Unit Cell)
Morphology:
Single crystals prismatic [001], rare. Radiating to matted fibrous masses.
X-Ray Powder Diffraction:
Image Loading

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

Chemical Properties of Vonsenite

Formula:
Fe22+Fe3+(BO3)O2
Essential elements:
All elements listed in formula:
Common Impurities:
Mg,Al

Relationship of Vonsenite to other Species

Series:
Forms a series with Ludwigite (see here)
Member of:
Other Members of Group:
Azoproite(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
BonaccorditeNi2Fe3+(BO3)O2
FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2
LudwigiteMg2Fe3+(BO3)O2
6.AB.05HambergiteBe2(BO3)(OH)
6.AB.10BerboriteBe2(BO3)(OH,F) · H2O
6.AB.15JeremejeviteAl6(BO3)5(F,OH)3
6.AB.20Warwickite(Mg,Fe2+)3Ti(BO3)2O2
6.AB.20YuanfuliiteMg(Fe3+,Fe2+,Al,Ti,Mg)(BO3)O
6.AB.25KarliteMg7(BO3)3(OH,Cl)5
6.AB.30Azoproite(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
6.AB.30BonaccorditeNi2Fe3+(BO3)O2
6.AB.30FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2
6.AB.30LudwigiteMg2Fe3+(BO3)O2
6.AB.35Pinakiolite(Mg,Mn2+)2Mn3+(BO3)O2
6.AB.40Blatterite(Mn2+,Mg)2(Mn3+,Sb3+,Fe3+)(BO3)O2
6.AB.40ChestermaniteMg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2
6.AB.40Orthopinakiolite(Mg,Mn2+)2Mn3+(BO3)O2
6.AB.40Takéuchiite(Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2
6.AB.45Hulsite(Fe2+,Mg)2(Fe3+,Sn)(BO3)O2
6.AB.45Magnesiohulsite(Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2
6.AB.45Aluminomagnesiohulsite(Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2
6.AB.50FluoboriteMg3(BO3)(F,OH)3
6.AB.50HydroxylboriteMg3(BO3)(OH)3
6.AB.55ShabyniteMg5(BO3)(OH)5(Cl,OH)2 · 4H2O
6.AB.55WightmaniteMg5(BO3)O(OH)5 · 2H2O
6.AB.60GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3
6.AB.65SakhaiteCa12Mg4(BO3)7(CO3)4(OH)2Cl
6.AB.70HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2O
6.AB.75Pertsevite-(F)Mg2(BO3)(F,OH)
6.AB.75Pertsevite-(OH)Mg2(BO3)(OH)
6.AB.80JacquesdietrichiteCu2(H2BO3)(OH)3
6.AB.85PainiteCaZrAl9(BO3)O15
9.8.2LudwigiteMg2Fe3+(BO3)O2
9.8.3FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2
9.8.4ChestermaniteMg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2

Other Names for Vonsenite

Name in Other Languages:
German:Vonsenit
Simplified Chinese:硼铁矿
富铁硼镁铁矿
Spanish:Vonsenita

Other Information

Other Information:
Slowly soluble in acids.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
None

References for Vonsenite

Reference List:
Knopf and Schaller (1908) American Journal of Science: 25: 323.

Schaller (1910) American Journal of Science: 29: 543.

Butler and Schaller (1917) Journal of the Washington Academy of Science: 7: 29 (as Ferroludwigite).

Eakle, A.S. (1920), Vonsenite; a preliminary note on a new mineral from Riverside, California, American Mineralogist: 5: 141-143.

Vakar, Knipovich, and Schafpanovsky (1934) Mineralogicheskoe Obshchestvo, Leningrad, Zapiski: 63: 381.

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: 321-324.

Vlisidid, A.C. and 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.

American Mineralogist (1983): 68: 827-832.

Neues Jahrbuch für Mineralogie, Monatshefte (1989): 69-83.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for Vonsenite

Localities for Vonsenite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • Tasmania
    • Rosebery district
R Bottrill, unpublished research
    • Waratah district
      • Waratah
Bottrill (unpub)
    • Zeehan district
      • Mt Heemskirk mineral field
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Austria
 
  • Salzburg
    • Hohe Tauern
      • Kaprun valley
        • Kaprun
Kolitsch, U. & Brandstätter, F. (2012): 1750) Anglesit, Apatit, Azurit, Fayalit, Humboldtin, Laihunit, Magnetit, Vonsenit und eine Cu-S-Si-O-H-Phase aus einer Kupferschlacke vom Lechnerberg bei Kaprun, Salzburg. Pp. 153-155 in Niedermayr, G. et al. (2012): Neue Mineralfunde aus Österreich LXI. Carinthia II, 202./122., 123-180.
China
 
  • Guangdong Province
    • Heyuan Prefecture
      • Lianping Co.
Daqiu Huang and Zhangqi Peng (1985), In: Collected Papers of the Yichang Institute of Geology and Mineral Resources, Geological Society of China Publications, Vol. 9; Lianshun Feng (1986): Geology and Prospecting 22(3), 21-27
  • Liaoning Province (Manchuria; Dongbei Region)
    • Dandong Prefecture
      • Fengcheng Co.
Xuehui Xia, Fei Yan, Yuhai Zhao, and Wenzong Chang (2006): Mineral Deposits 25(1), 83-88; Yanjun Li, Tai Gao, and Yuexin Han (2006): Non-Ferrous Mining and Metallurgy 22(6), 14-16
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Gerolstein
        • Roth
Blaß, G. & Schüller, W. (2012): Der Rother Kopf in der Vulkaneifel. Lapis, 37 (3), 20-29.
  • Saxony
    • Erzgebirge
Lapis, 17 (10), 13-24+82.
      • Schwarzenberg District
        • Pöhla
Wittern: "Mineralfundorte in Deutschland", 2001
Italy
 
  • Campania
    • Naples Province
      • Somma-Vesuvius Complex
        • Monte Somma
          • Sant'Anastasia
M. Carati - Guida alla mineralogia vesuviana - Calderini, Bologna, 1982
Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
          • Terzigno
Luigi Chiappino data
          • Torre del Greco
Mariano Carati - Guida alla mineralogia vesuviana - Calderini, Bologna, 1982
    • Phlegrean Volcanic complex
      • Naples Province
        • Phlegrean Fields
          • Bacoli
Russo, M. (2008): Zeolites from Campi Flegrei, Bollettino AIZ Series/Report, Vol. 31 (2008), Publisher: Associazione Italiana Zeoliti onlus
Russo, M. (2008): Zeolites from Campi Flegrei, Bollettino AIZ Series/Report, Vol. 31 (2008), Publisher: Associazione Italiana Zeoliti onlus
      • Salerno Province
        • Nocera
          • Lavorate
A. Del Caldo, C. Moro, C.M. Gramaccioli, M. Boscardin: Guida ai Minerali - Fabbri ed. 1973; Russo, M. & Punzo, I. (2010 communication)
  • Latium
    • Rome Province
      • Campagnano di Roma
"Giorgio Bortolozzi (visual identification)"
Fornaseri, M., and Turi, B. (1969): Contributions to Mineralogy and Petrology 23, 244-256.
      • Monte Compatri
        • Laghetto
Stoppani, F.S. & Curti, E. (1982): I minerali del Lazio. Editoriale Olimpia, Firenze, 291 pp.
      • Rome
A. Del caldo - Località mineralogiche consigliate: Le vulcaniti laziali: Notizie del Guppo Min. Lombardo - 1, March 1971, p. 9 - (This publication later changed its name in Rivista Minealogica Italiana)
        • Osteria dell'Osa
A. Del caldo - Località mineralogiche consigliate: Le vulcaniti laziali: Notizie del Guppo Min. Lombardo - 1, March 1971, pp. 6-8 - (This publication later changed its name in Rivista Minealogica Italiana)
Gresta, S., Duronio, F., Mancinella D. (2002): Geositi e Sistema delle Aree Protette del Lazio: idee per la geoconservazione. Il Cercapietre. Not. del Gruppo Mineralogico Romano, 1-2: 48-55
      • Sacrofano Caldera
        • Campagnano di Roma
Della Ventura, Bonazzi, Obertia and Ottolini, Am. Min. vol. 87 p. 739 (2002)
    • Viterbo Province
Carloni, L., Signoretti, E., (2002): Le sanadiniti di Bassano Romano. Distretto Vulcanico Sabatino. Il Cercapietre. Not. del Gruppo Mineralogico Romano, 1-2: 28-36
      • Làtera volcano
        • Gradoli
- Signoretti, E. & Bosco, P. (2001): Le cave di Gradoli e Onano. Il Cercapietre, 1/2-2001, 10-25
        • Onano
Cresta, S., Duronio, F., Mancinella, D. (2002): Geositi e sistema delle arre protette del Lazio: idee per la geoconservazione. Il Cercapietre, 1-2/2002, 48-55
        • Valentano
Burli, M., Caponera, I., Signoretti, E. (2007): Le "sanidiniti" di Monte Saliette (Valentano, VT). Il Cercapietre. Not. del Gruppo Mineralogico Romano, 1-2: 13-18
      • Montalto di Castro
        • Pietra Massa Locality
"Giorgio Bortolozzi (visual identification)"
      • Vico Lake
American Mineralogist, Volume 86, pages 1066–1075, 2001
AMI UK service
Flavio G. Taricco collection
American Mineralogist, Volume 91, pages 1170–-1177, 2006
Carlini, R., Signoretti, E., 2003. Località minori del vulcano Vicano: Villa S.Giovanni in Tuscia e Mazzocchio. Il Cercapietre. Not. del Gruppo Mineralogico Romano, 1-2: 33-41
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Lipari Island
            • Canneto
              • Punta Castagna
F. Brignoli self collected
          • Vulcano Island
PANICHI U. (1924): Contributo allo studio dei minerali dell'Isola di Vulcano. - Memorie della Società Italiana delle Scienze (detta dei XL) - serie 3 - 19, 3-55.
Japan
 
  • Honshu Island
    • Tohoku Region
      • Iwate Prefecture
        • Kamaishi City
Watanabe & Ito (1954) Mineralogical Journal, 1, 84-88.
Pakistan
 
  • Khyber Pakhtunkhwa (North-West Frontier Province)
    • Mansehra District
      • Kaghan Valley
        • Naran
Moore, T. (2004): What's New in Minerals. Costa Mesa Show 2003. Mineralogical Record. 35 (2), 143-145
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
[World of Stones 12:49]
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: 323.
      • Polar Yakutia
        • Dogdo River Basin
          • Tas-Khayakhtakh Range
Aleksandrov, S.M. (1998): Geochemistry of skarn and ore formation in dolomites. VSP (Utrecht, Tokyo), 300 pp.
  • Far-Eastern Region
    • Primorskiy Kray
      • Kavalerovo Mining District
[MinRec 32:8]
Spain
 
  • Extremadura
    • Badajoz
      • Burguillos del Cerro
Sanabria, R. and Calvo, M. (2002). Los yacimientos de magnetita de Burguillos del Cerro. Revista de Minerales, 2 (3), 4-25
USA
 
  • Alaska
    • Nome Borough
      • Seward Peninsula
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: 323.; USGS Bull 358
  • California
    • Monterey Co.
      • Gabilan Range
Chesterman, C.W. (1966a), Vonsenite of Monterey County, California: American Mineralogist: 51: 261-262; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 383; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 236.
    • Riverside Co.
      • Crestmore
[micromounts@yahoogroups.com]
Stanislav Mikhaĭlovich Aleksandrov (1998) "Geochemistry of skarn and ore formation in dolomites" p. 147
      • Riverside
        • Fairmont Park
          • North Hill
Eakle, A.S. (1920), Vonsenite; a preliminary note on a new mineral from Riverside, California, American Mineralogist: 5: 141-143; Vlisidid, A.C. and 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; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 236.
  • Michigan
    • Keweenaw Co.
Mineralogy of Michigan (2004) Heinrich & Robinson
  • New York
American Mineralogist (1960): 45: 439.
      • Clifton
George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
NY State Museum spec. no. 13889; George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
Mineral and/or Locality  
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