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Vonsenite

Big Photo

Titovskoe B deposit, Tas-Khayakhtakh Range, Dogdo River Basin, Polar Yakutia, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
© Pavel M. Kartashov

Show Vonsenite Photos (20)
Formula:
Fe
2+
2
Fe
3+
 
[O
 
2
|BO
 
3
]
System:OrthorhombicColour:Black, greenish black
Hardness:5
Name:Named after Magnus Vonsen (1879-1954), mineral collector of Petaluma, California who donated his extensive collection to the California Academy of Sciences.
Isostructural with:Ludwigite


Ludwigite Group. Ludwigite-Vonsenite Series. The Fe2+ analogue of Ludwigite.

A high-temperature mineral occurring in contact metamorphic deposits.

Classification of Vonsenite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/G.04-20
Nickel-Strunz 10th (pending) edition ID:6.AB.30

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
Dana 8th edition ID:24.2.1.2

24 : ANHYDROUS BORATES
2 : A2BO2[XO3]
Hey's CIM Ref.:9.8.1

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

Type Locality:Old City Quarry, Riverside, Riverside Co., California, USA
Year of Discovery:1920

Physical Properties of Vonsenite

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

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:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Chemical Properties of Vonsenite

Formula:
Fe
2+
2
Fe
3+
 
[O
 
2
|BO
 
3
]
Essential elements:B, Fe, O
All elements listed in formula:B, Fe, O
Common Impurities:Mg,Al

Relationship of Vonsenite to other Species

Series:Forms a series with Ludwigite (see here)
Related Minerals - Nickel-Strunz Grouping):
6.AB.05Hambergite
Be
 
2
[O|OH|BO
 
2
]
6.AB.10Berborite
Be
 
2
[(OH,F)|BO
 
3
] · H
 
2
O
6.AB.15Jeremejevite
Al
 
6
[(F,OH)
 
3
|(BO
 
3
)
 
5
]
6.AB.20Warwickite
(Mg,Fe
2+
 
)
 
3
Ti[O|BO
 
3
]
 
2
6.AB.20Yuanfuliite
Mg(Fe
3+
 
,Fe
2+
 
,Al,Ti,Mg)[O|BO
 
3
]
6.AB.25Karlite
Mg
 
7
[(OH,Cl)
 
5
|(BO
 
3
)
 
3
]
6.AB.30Azoproite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Ti,Mg)[O
 
2
|BO
 
3
]
6.AB.30Bonaccordite
Ni
 
2
Fe
3+
 
[O
 
2
|BO
 
3
]
6.AB.30Fredrikssonite
Mg
 
2
(Mn
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.30Ludwigite
Mg
 
2
Fe
3+
 
[O
 
2
|BO
 
3
]
6.AB.35Pinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
[O
 
2
|BO
 
3
]
6.AB.40Blatterite
(Mn
2+
 
,Mg)
 
2
(Mn
3+
 
,Sb
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.40Chestermanite
Mg
 
2
(Fe
3+
 
,Mn
3+
 
,Al,Sb
3+
 
)[O
 
2
|BO
 
3
]
6.AB.40Orthopinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
[O
 
2
|BO
 
3
]
6.AB.40Takéuchiite
(Mg,Mn
2+
 
)
 
2
(Mn
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.45Hulsite
(Fe
2+
 
,Mg)
 
2
(Fe
3+
 
,Sn)[O
 
2
|BO
 
3
]
6.AB.45Magnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Sn,Mg)[O
 
2
|BO
 
3
]
6.AB.45Aluminomagnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Al,Mg,Sn)[O
 
2
|BO
 
3
]
6.AB.50Fluoborite
Mg
 
3
[(F,OH)
 
3
|BO
 
3
]
6.AB.50Hydroxylborite
Mg
 
3
(BO
 
3
)(OH)
 
3
6.AB.55Shabynite
Mg
 
5
[(Cl,OH)
 
2
|(OH)
 
5
|BO
 
3
] · 4H
 
2
O
6.AB.55Wightmanite
Mg
 
5
[O|(OH)
 
5
|BO
 
3
] · 2H
 
2
O
6.AB.60Gaudefroyite
Ca
 
4
Mn
3+
2-3
[(O,OH)
 
3
|CO
 
3
|(BO
 
3
)
 
3
]
6.AB.65Sakhaite
Ca
 
12
Mg
 
4
[Cl|(OH)
 
2
|(CO
 
3
)
 
4
|(BO
 
3
)
 
7
]
6.AB.70Harkerite
Ca
 
24
Mg
 
8
Al
 
2
Si
 
8
(O,OH)
 
32
(BO
 
3
)
 
8
(CO
 
3
)
 
8
(H
 
2
O,Cl)
6.AB.75Pertsevite
Mg
 
2
BO
 
3
F
6.AB.80Jacquesdietrichite
Cu
 
2
BO(OH)
 
2
(OH)
 
3
6.AB.85Painite
ZrCaAl
 
9
[O
 
15
|BO
 
3
]
Related Minerals - Hey's Index Grouping:
9.8.2Ludwigite
Mg
 
2
Fe
3+
 
[O
 
2
|BO
 
3
]
9.8.3Fredrikssonite
Mg
 
2
(Mn
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
9.8.4Chestermanite
Mg
 
2
(Fe
3+
 
,Mn
3+
 
,Al,Sb
3+
 
)[O
 
2
|BO
 
3
]

Other Names for Vonsenite

Synonyms:
FerroludwigitePaigeite
German names:
Vonsenit
Russian names:
Вонсенит
Spanish names:
Vonsenita

Other Information

Other Information:Slowly soluble in acids.
Health Warning: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

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  • Look for Vonsenite on Wikipedia
  • Look for Vonsenite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Vonsenite in the Natural History Museum (London) online catalogue
  • Vonsenite details from Handbook of Mineralogy (PDF)
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    Localities for Vonsenite

    Hide Locality List
    The 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.
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    (TL) indicates type locality. ? 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
      • Zeehan district
        • Mt Heemskirk mineral field
    		Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    China
     
    • Guangdong Province
      • Heyuan Prefecture
        • Lianping Co.
    		Anthony, J.W. et al.: Handbook of Mineralogy
    Germany
     
    • 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
            • Torre del Greco
    		Mariano Carati - Guida alla mineralogia vesuviana - Calderini, Bologna, 1982
      • Salerno Province
        • Sarno
          • Lavorate
    		A. Del Caldo, C. Moro, C.M. Gramaccioli, M. Boscardin: Guida ai Minerali - Fabbri ed. 1973
    • Latium
      • Rome Province
        • Tivoli
    		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)
      • 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
        • 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
        • Vico Lake
          • Vetralla
    		No reference listed
    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
        • Lipari
          • Eolie Islands (Aeolian Islands)
            • 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.
          • Miyako City
            • Neichi mine
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha 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
    		http://maurice.strahlen.org/yakutia/yakutia.htm
    • Far-Eastern Region
      • Primorskiy Kray
    		[MinRec 32:8]
    Spain
     
    • Extremadura
      • Badajoz
        • Burguillos del Cerro
    		Monchi Mine, Burguillos del Cerro, Badajoz, Extremadura, Spain
    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.
    • California
      • Riverside Co.
        • Crestmore
    		[micromounts@yahoogroups.com]
        • Riverside
    • 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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