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

Florencite-(La)

Big Photo

Igarapé Bahia Mine, Parauapebas, Carajás mineral province, Pará, North Region, Brazil
© Thomas Witzke

Show Florencite-(La) Photos (5)
Formula:
LaAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
Hardness:5 - 6
Name:After Dr. W. Florence, who made a preliminary chemical examination of the mineral, and the "-(La)" suffix in allusion to lanthanum being the dominant REE in the composition.


Florencite group

Classification of Florencite-(La)

IMA status:Approved
Strunz 8th edition ID:7/B.36-130
Nickel-Strunz 10th (pending) edition ID:8.BL.13

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
Dana 8th edition ID:41.5.10.3

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Hey's CIM Ref.:19.9.11

19 : Phosphates
9 : Phosphates of rare earths and Sc
mindat.org URL:http://www.mindat.org/min-1561.html
Please feel free to link to this page.

Type Occurrence of Florencite-(La)

Type Locality:Shituru Mine, Likasi, Central area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Physical Properties of Florencite-(La)

Hardness (Mohs):5 - 6

Optical Data of Florencite-(La)

Type:Uniaxial (+)
RI values: nω = 1.694 nε = 1.701
Maximum Birefringence:δ = 0.007

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

Chemical Properties of Florencite-(La)

Formula:
LaAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
Essential elements:Al, H, La, O, P
All elements listed in formula:Al, H, La, O, P

Relationship of Florencite-(La) to other Species

Member of Group:
Florencite Subgroup:
Related Minerals - Nickel-Strunz Grouping):

- +
8.BL.05Beudantite
PbFe
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Corkite
PbFe
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Hidalgoite
PbAl
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Hinsdalite
PbAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Kemmlitzite
(Sr,Ce)Al
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Orpheite
PbAl
 
3
[(OH)
 
6
|(PO
 
4
,SO
 
4
)
 
2
] (?)
8.BL.05Svanbergite
SrAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Weilerite
8.BL.05Woodhouseite
CaAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Gallobeudantite
PbGa
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.10Arsenogoyazite
SrAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Arsenogorceixite
BaAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Arsenocrandallite
CaAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Benauite
SrFe
3+
3
[(OH)
 
6
|(HPO
 
4
,PO
 
4
)|(PO
 
4
,SO
 
4
)]
8.BL.10Crandallite
CaAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Dussertite
BaFe
3+
3
[(OH)
 
5
|(AsO
 
4
)
 
2
]
8.BL.10Eylettersite
(Th,Pb)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
] ?
8.BL.10Gorceixite
BaAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Goyazite
SrAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Kintoreite
PbFe
3+
3
[(OH,H
 
2
O)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Philipsbornite
PbAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Plumbogummite
PbAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Segnitite
PbFe
3+
3
[(OH,H
 
2
O)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Springcreekite
BaV
3+
3
[(OH,H
 
2
O)
 
6
|(PO
 
4
)
 
2
]
8.BL.13Arsenoflorencite-(La)
LaAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.13Arsenoflorencite-(Nd)
NdAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.13Arsenoflorencite-(Ce)
CeAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.13Florencite-(Ce)
CeAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.13Florencite-(Nd)
NdAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.13Waylandite
(Bi,Ca)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
]
8.BL.13Zaïrite
Bi(Fe
3+
 
,Al)
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.13Arsenowaylandite
BiAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
8.BL.13Graulichite-(Ce)
CeFe
3+
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.15Viitaniemiite
Na(Ca,Mn
2+
 
)Al[(F,OH)
 
3
|PO
 
4
]
8.BL.25Pattersonite
PbFe
3+
3
(PO
 
4
)
 
2
(OH)
 
4
{(H
 
2
O)
 
0.5
(OH)
 
0.5
}
 
2
Related Minerals - Hey's Index Grouping:

- +
19.9.1Xenotime-(Y)
YPO
 
4
19.9.2Churchite-(Y)
YPO
 
4
·2H
 
2
O
19.9.3Monazite-(Ce)
(Ce,La,Nd,Th)PO
 
4
19.9.4Monazite-(La)
(La,Ce,Nd)PO
 
4
19.9.5Monazite-(Nd)
(Nd,La,Ce)PO
 
4
19.9.6Rhabdophane-(Ce)
(Ce,La)PO
 
4
·H
 
2
O
19.9.7Rhabdophane-(La)
(La,Ce)PO
 
4
·H
 
2
O
19.9.8Rhabdophane-(Nd)
(Nd,Ce,La)PO
 
4
·H
 
2
O
19.9.9Vitusite-(Ce)
Na
 
3
(Ce,La,Nd)(PO
 
4
)
 
2
19.9.10Florencite-(Ce)
CeAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
19.9.12Florencite-(Nd)
NdAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
19.9.13Kolbeckite
ScPO
 
4
·2H
 
2
O

Other Names for Florencite-(La)

Other Languages:
Russian:Флоренсит-(La)

Other Information

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 Florencite-(La)

Reference List:Canadian Mineralogist: 18: 301-311.

American Mineralogist: 69: 566.

Neues Jahrbuch für Mineralogie, Monatshefte (1990): 227-231.

Internet Links for Florencite-(La)

Search Engines:
  • Look for Florencite-(La) on Google
  • Look for Florencite-(La) images on Google
    • External Links:
  • Look for Florencite-(La) on Webmineral
  • Look for Florencite-(La) on Athena Mineralogy
  • Look for Florencite-(La) on Wikipedia
  • Look for Florencite-(La) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Florencite-(La) in the Natural History Museum (London) online catalogue
  • Florencite-(La) details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy RARE Minerals from Rocks of Africa
  • Buy from David K Joyce minerals
  • Top quality minerals from Kristalle of California
  • Wilensky Fine Minerals
  • Lapis Mineral Magazin
  • Find Florencite-(La) on www.crystalclassics.co.uk
  • Fabre Minerals - search for Florencite-(La) specimens
  • Buy Minerals and Crystals from Crystalarium.com
  • Edwards Minerals - Fine Specimens
  • The Arkenstone - Fine Minerals
  • Buy fine minerals and gemstones from Pala International
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Florencite-(La)

    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.
    (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
     
    • Northern Territory
      • Kakadu National Park
        • Jabiru
    		Dymkov, Y., Holliger, P., Pagel, M., Gorshkov, A., and Artyukhina A. (1997): Characterization of a La-Ce-Sr-Ca aluminous hydroxy phosphate in nuclear zone 13 in the Oklo uranium deposit (Gabon). Mineralium Deposita, 32, 617-620.
    Austria
     
    • Styria
      • Fischbacher Alpen Mts
        • Mürzzuschlag
          • Hönigsberg
    		Bernhard, F. (2006)
    Brazil
     
    • North Region
      • Pará
        • Carajás mineral province
          • Parauapebas
    • Northeast Region
      • Bahia
        • Brumado (Bom Jesus dos Meiras)
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Liberec Region
    		Scharm, B.: Přehled minerálů nalezených v oblasti uranových koncentrací v severočeské křídě. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 169-172.
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Central area
          • Likasi
    		Canadian Mineralogist Vol. 18, pp. 301-311 (1980)
    Gabon
     
    • Haut-Ogooué Province
      • Franceville
    		Am Min 81 (9-10), 1263-1269
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		U. Kolitsch, J. Gröbner, G. Blaß and H.-W. Graf (2007): Neufunde aus der Grube Clara im mittleren Schwarzwald (III): Cerianit-(Ce), Dravit, Florencit-(La), Gilmarit, Olenit und Scotlandit. Lapis 32, 19-23, 70.
    UK
     
    • England
      • Cornwall
        • St Austell District
          • Luxulyan Area (Luxulian Area)
            • Hensbarrow Downs
              • Stenalees
    		No reference listed
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. Current server date and time: 20th Nov 2009 05:28:14