Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Fluoborite

Big Photo

Fiano quarries, Lavorate, Sarno, Salerno Province, Campania, Italy
© Marco Barsanti

Show Fluoborite Photos (13)
Formula:
Mg
 
3
[(F,OH)
 
3
|BO
 
3
]
System:HexagonalColour:Colourless, violet or ...
Lustre:SilkyHardness:3½
Name:In allusion to its composition, containing both FLUOrine and BORon.
Isostructural with:Hydroxylborite


Fluoborite-Hydroxylborite Series. The fluorine analogue of Hydroxylborite.

Classification of Fluoborite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/G.05-10
Nickel-Strunz 10th (pending) edition ID:6.AB.50

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
Dana 8th edition ID:25.1.2.1

25 : ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
1 : Monoborates
Hey's CIM Ref.:10.1.4

10 : Borates with other anions
1 : Borates with halide
mindat.org URL:http://www.mindat.org/min-1566.html
Please feel free to link to this page.

Type Occurrence of Fluoborite

Type Locality:Tall Mine, Kallmora, Norberg, Västmanland, Sweden
Year of Discovery:1926
Geological Setting of type material:Contact metasomatic magnetite deposit.
Associated Minerals at type locality:
LudwigiteChondrodite

Physical Properties of Fluoborite

Lustre:Silky
Diaphaneity (Transparency):Transparent, Translucent
Colour:Colourless, violet or white; colourless in transmitted light
Streak:White
Hardness (Mohs):3½
Cleavage:Poor/Indistinct
On [0001].

Crystallography of Fluoborite

Crystal System:Hexagonal
Cell Parameters:a = 8.8Å, c = 3.1Å
Ratio:a:c = 1 : 0.352
Unit Cell Volume:V 207.90 ų (Calculated from Unit Cell)
Morphology:Acicular hexagonal prisms without measurable terminal faces. Fan-shaped or stellate groups. Fluffy, felted aggregates; rice-like grains.

Optical Data of Fluoborite

Type:Uniaxial (-)
RI values: nω = 1.570 nε = 1.534
Maximum Birefringence:δ = 0.036

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low

Chemical Properties of Fluoborite

Formula:
Mg
 
3
[(F,OH)
 
3
|BO
 
3
]
Essential elements:B, F, Mg, O
All elements listed in formula:B, F, H, Mg, O

Relationship of Fluoborite to other Species

Series:Forms a series with Hydroxylborite (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.30Vonsenite
Fe
2+
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.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:
10.1.1Teepleite
Na
 
2
[Cl|B(OH)
 
4
]
10.1.2Bandylite
Cu[Cl|B(OH)
 
4
]
10.1.3Berborite
Be
 
2
[(OH,F)|BO
 
3
] · H
 
2
O
10.1.5Boracite
Mg
 
3
[Cl|B
 
7
O
 
13
]
10.1.6Karlite
Mg
 
7
[(OH,Cl)
 
5
|(BO
 
3
)
 
3
]
10.1.7Shabynite
Mg
 
5
[(Cl,OH)
 
2
|(OH)
 
5
|BO
 
3
] · 4H
 
2
O
10.1.8/9/10Hilgardite
Ca
 
2
B
 
5
O
 
9
Cl·H
 
2
O
10.1.11Solongoite
Ca
 
2
(H
 
3
B
 
3
O
 
7
)(OH)Cl
10.1.12Hydrochlorborite
Ca
 
4
B
 
8
O
 
15
Cl
 
2
·21H
 
2
O
10.1.13Ekaterinite
Ca
 
2
[(Cl,OH)
 
2
|B
 
4
O
 
7
] · 2H
 
2
O
10.1.14Volkovskite
KCa
 
4
[B
 
5
O
 
8
OH]
 
4
[B(OH)
 
3
]
 
2
Cl·4H
 
2
O
10.1.15Chelkarite
CaMgB
 
2
O
 
4
(Cl,OH)
 
2
·5H
 
2
O Or near, with Cl:OH = 3:1
10.1.16Johachidolite
CaAlB
 
3
O
 
7
10.1.17Satimolite
KNa
 
2
Al
 
4
[Cl|B
 
2
O
 
5
]
 
3
 · 13H
 
2
O
10.1.18Chambersite
Mn
2+
3
[Cl|B
 
7
O
 
13
]
10.1.19Congolite
(Fe
2+
 
,Mg)
 
3
B
 
7
O
 
13
Cl
10.1.20Ericaite
Fe
2+
3
[Cl|B
 
7
O
 
13
]

Other Names for Fluoborite

Synonyms:
NoceranNocerinNocerinaNocerite
German names:
FluoboritNocerit
Russian names:
Флюоборит
Spanish names:
FluoboritaNocerita

Other Information

Fluorescence in UV light:White (SW UV)(Franklin Marble, NJ & NY, USA).
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Fluoborite

Reference List:Geijer (1926) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 48: 84.

Geijer (1927) Sver. Geol. Undersök, Ser. C, no. 343, Yearbook 20, no. 4: 26.

American Mineralogist (1927): 12: 266.

Bauer and Berman (1929) American Mineralogist: 14: 165.

Scherillo A. (1938) - Ricerche sulla struttura cristallina della nocerite(=Fluoborite). Periodico di Mineralogia – Roma pp. 229- 248.

Watanabe (1939) Mineralogische und petrographische Mitteilungen, Vienna: 50: 441.

Johnston and Tilley (1940) Geological Magazne (Monthly Journal of Geology): 77: 141.

Schaller (1942) American Mineralogist: 27: 467.

Takéuchi (1950) Acta Crystallographica: 3: 208-210.

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: 369-370.

Flamini A. (1966) - Sulla composizione chimica della nocerite. Periodico di Mineralogia – Roma pp. 205-222.

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

Rudnev, V.V., Chukanov, N.V., Nechelyustov, G.N., Yamnova, N.A. (2007): Hydroxylborite, Mg3(BO3)(OH)3, a new mineral, and the isomorphous fluoborite-hydroxylborite series. Proceedings of the Russian Mineralogical Society, 136(1), 69-82.

Internet Links for Fluoborite

Search Engines:
  • Look for Fluoborite on Google
  • Look for Fluoborite images on Google
    • External Links:
  • Look for Fluoborite on Webmineral
  • Look for Fluoborite on Athena Mineralogy
  • Look for Fluoborite on Wikipedia
  • Look for Fluoborite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Fluoborite in the Natural History Museum (London) online catalogue
  • Fluoborite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Buy Minerals and Crystals from Crystalarium.com
  • High-end worldwide specimens & outstanding customer service
  • Buy from David K Joyce minerals
  • e-Rocks - Mineral Auctions and Sales
  • rare and unusual minerals mainly crystallized
  • Wendel Minerals - Auktion & Shop
  • Lapis Mineral Magazin
  • Fabre Minerals - search for Fluoborite specimens
  • Rare and Unusual minerals at Mineralogical Research Company
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Fine Minerals from Dan Weinrich Minerals
  • Wright's Rock Shop - excellent mineral specimens since 1970
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Fluoborite

    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.
    These maps work faster with Firefox!
    (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
      • Waratah district
        • Waratah
    		Bottrill
      • Zeehan district
        • Mt Heemskirk mineral field
    		Kwak, T.A.P., and Nicholson, M. (1988): Mineralogical Magazine 52, 713-716.
    Canada
     
    • Ontario
      • Haliburton Co.
        • Monmouth Township
          • Wilberforce
    		Sabina, A. P. (1982): Some rare minerals of the Bancroft area. Mineralogical Record 13, 223-228
      • Peterborough Co.
        • Crystal Lake
    		Ref.: Geological Survey of Canada Miscellaneous Survey 39.
    China
     
    • Guangdong Province
      • Heyuan Prefecture
        • Lianping Co.
    		Wang, S. (1983): Bull. lnst. Min. Deposits, Chinese Acad. Geol. Sci. 9, 72.
    • Hunan Province
      • Chenzhou Prefecture
        • Yizhang Co.
          • Dongpo ore field
    		Gu Xiongfei, Ding Kuishou, and Xu Yingnian (1976): Geochimica 1976(2), 107.
      • Hengyang Prefecture
        • Changning Co.
          • Qiliping
    		Anthony, J.W. et al.: Handbook of Mineralogy
    France
     
    • Languedoc-Roussillon
      • Pyrénées-Orientales
        • Céret
          • Prats de Mollo-La Preste (Prats de Molló-La Presta)
    		Goujou J-C., Guitard G., Berbain C. (2000), Le massif de Costabonne, 2464 m (Pyrénées-Orientales), Le Règne Minéral, n°32, pp: 5-12
    Italy
     
    • Campania
      • Salerno Province
        • Sarno
          • Lavorate
    		http://www.musei.unina.it/Mineralogia/2.2.2.10.htm
    • Latium
      • Rome Province
    		Caponera I., Fiori S., Pucci R., 2003. Fluoborite, piombo nativo, richterite ed altri interessanti ritrovamenti nei Colli Albani. Il Cercapietre, 1-2.
    Malaysia
     
    • Selibin
    		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: 370.
    Mexico
     
    • Chihuahua
      • Mun. de Aquiles Serdán
        • Santa Eulalia District
          • East Camp
    		Panczner (1987): 77-395.
    North Korea
     
    • North Hwanghae Province
      • Suan-gun
    		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, 370, 376.
    Romania
     
    • Bihor Co.
      • Nucet
    		Ş. Marincea: "Suanite in two boron-bearing magnesian skarns from Romania: data on a longtime ignored mineral species", Neues Jahrbuch für Mineralogie - Abhandlungen 182:183-192 (2006)
    Ş. Marincea: "Suanite in two boron-bearing magnesian skarns from Romania: data on a longtime ignored mineral species", Neues Jahrbuch für Mineralogie - Abhandlungen 182:183-192 (2006)
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
    		[World of Stones 12:49]
      • Transbaikalia (Zabaykalye)
        • Buriatia (Buryatia) Republic
          • Vitim Plateau
        • Irkutskaya Oblast'
          • Lower Tunguska
            • Nepa River basin
    		[AmMin 84:686]
    South Africa
     
    • Limpopo Province
      • Phalaborwa
        • Loolekop
    		No reference listed
    Sweden
     
    • Dalarna
      • Hedemora
    • Värmland
      • Filipstad
    • Västmanland
      • Norberg
        • Kallmora
    		Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm, 48, 84-85; Mineralogical Record (1975): 6: 174; 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: 369.
    UK
     
    • Scotland
      • North West Highlands (Inverness-shire)
        • Isle of Skye
          • Broadford
            • Kilchrist
            • Torrin
    		A. Livingstone: Minerals of Scotland, NMS Publications (2002)
    USA
     
    • California
      • Fresno Co.
        • Kaiser Peak quadrangle
      • Riverside Co.
        • Crestmore
    		No reference listed
      • San Bernardino Co.
        • Amboy
        • Mojave Desert
    		No reference listed
    • Nevada
      • Lincoln Co.
        • Bristol and Jackrabbit Districts
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Rocks & Minerals, Nov. 1999
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Betancourt, P.P. (The Picking Table, Vol. 27(2):2-10; Dunn(1995):Pt5:641.
          • Ogdensburg
            • Sterling Hill
    		Palache, C. (1935): 128; 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: 369; Dunn, Pete J. (1995): Franklin and Sterling Hill New Jersey: the world’s most magnificent mineral deposits, part: 5: 641.
        • Hardyston Township
          • Rudeville
    		Common knowledge among local collectors.
        • Sparta Township
    		Dunn(1995):Pt5:641
    • New York
      • Orange Co.
        • Town of Warwick
          • Amity
    		George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.