Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Arsenoflorencite-(La)

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Grubependity Lake cirque, Grubependity Lake, Maldynyrd (Maldy-nyrd) range, Kozhim River Basin, Prepolar Ural, Komi Republic, Northern Region, Russia
© Pavel M. Kartashov




Formula:
(La,Ce,Nd)(Al,Fe
3+
 
)
 
3
(AsO
 
4
,PO
 
4
)
 
2
(OH)
 
6
System:TrigonalHardness:3½
Member of:Florencite Group


Florencite Group.

Originally reported without approval from North Bohemian Uranium District, Liberec Region, Bohemia (Böhmen; Boehmen), Czech Republic.

Classification of Arsenoflorencite-(La)

IMA status:Approved 2010
Strunz 8th edition ID:7/B.36-135
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:41.5.11.3

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Hey's CIM Ref.:20.4.8

20 : Arsenates (also arsenates with phosphate, but without other anions)
4 : Arsenates of Group III metals (Al, rare earths)
mindat.org URL:http://www.mindat.org/min-295.html
Please feel free to link to this page.

Type Occurrence of Arsenoflorencite-(La)

Type Locality:Grubependity Lake cirque, Grubependity Lake, Maldynyrd (Maldy-nyrd) range, Kozhim River Basin, Prepolar Ural, Komi Republic, Northern Region, Russia

Physical Properties of Arsenoflorencite-(La)

Hardness (Mohs):3½

Crystallography of Arsenoflorencite-(La)

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:R3m {R3 2/m}
Space Group Setting:R3m
Cell Parameters:a = 7.0316(3) Å, c = 16.5151(8) Å
Ratio:a:c = 1 : 2.349
Unit Cell Volume:V 707.16 ų (Calculated from Unit Cell)

Optical Data of Arsenoflorencite-(La)

Type:Uniaxial (+)
RI values: nω = 1.740 nε = 1.750
Maximum Birefringence:δ = 0.010

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

Chemical Properties of Arsenoflorencite-(La)

Formula:
(La,Ce,Nd)(Al,Fe
3+
 
)
 
3
(AsO
 
4
,PO
 
4
)
 
2
(OH)
 
6
Idealised Formula:
LaAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
Essential elements:Al, As, H, La, O
All elements listed in formula:Al, As, Ce, Fe, H, La, Nd, O, P

Relationship of Arsenoflorencite-(La) to other Species

Member of:Florencite Group
Other Members of Group:

- +
Arsenoflorencite-(Ce)
CeAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
Arsenoflorencite-(Nd)
NdAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
Arsenowaylandite
BiAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
Florencite-(Ce)
CeAl
 
3
(PO
 
4
)
 
2
(OH)
 
6
Florencite-(La)
LaAl
 
3
(PO
 
4
)
 
2
(OH)
 
6
Florencite-(Nd)
(Nd,La,Ce)Al
 
3
(PO
 
4
)
 
2
(OH)
 
6
Graulichite-(Ce)
CeFe
3+
3
(AsO
 
4
)
 
2
(OH)
 
6
Waylandite
BiAl
 
3
(PO
 
4
)
 
2
(OH)
 
6
Zaïrite
Bi(Fe
3+
 
,Al)
 
3
(PO
 
4
)
 
2
(OH)
 
6
Related Minerals - Nickel-Strunz Grouping):

- +
8.BL.05Beudantite
PbFe
 
3
(AsO
 
4
)(SO
 
4
)(OH)
 
6
8.BL.05Corkite
PbFe
 
3
(PO
 
4
)(SO
 
4
)(OH)
 
6
8.BL.05Hidalgoite
PbAl
 
3
(AsO
 
4
)(SO
 
4
)(OH)
 
6
8.BL.05Hinsdalite
PbAl
 
3
(PO
 
4
)(SO
 
4
)(OH)
 
6
8.BL.05Kemmlitzite
(Sr,Ce)Al
 
3
(AsO
 
4
)(SO
 
4
)(OH)
 
6
8.BL.05Svanbergite
SrAl
 
3
(PO
 
4
)(SO
 
4
)(OH)
 
6
8.BL.05Weilerite
8.BL.05Woodhouseite
CaAl
 
3
(PO
 
4
)(SO
 
4
)(OH)
 
6
8.BL.05Gallobeudantite
PbGa
 
3
(AsO
 
4
)(SO
 
4
)(OH)
 
6
8.BL.10Arsenogoyazite
SrAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
8.BL.10Arsenogorceixite
BaAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
8.BL.10Arsenocrandallite
CaAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
8.BL.10Benauite
SrFe
3+
3
(PO
 
4
,SO
 
4
)(HPO
 
4
,PO
 
4
)(OH)
 
6
8.BL.10Crandallite
CaAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
8.BL.10Dussertite
BaFe
3+
3
(AsO
 
4
)
 
2
(OH)
 
5
8.BL.10Eylettersite
(Th,Pb)Al
 
3
(PO
 
4
,SiO
 
4
)
 
2
(OH)
 
6
8.BL.10Gorceixite
BaAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
8.BL.10Goyazite
SrAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
8.BL.10Kintoreite
PbFe
3+
3
(PO
 
4
)
 
2
(OH,H
 
2
O)
 
6
8.BL.10Philipsbornite
PbAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
8.BL.10Plumbogummite
PbAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
8.BL.10Segnitite
PbFe
3+
3
(AsO
 
4
)
 
2
(OH,H
 
2
O)
 
6
8.BL.10Springcreekite
BaV
3+
3
(PO
 
4
)
 
2
(OH,H
 
2
O)
 
6
8.BL.13Arsenoflorencite-(Nd)
NdAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
8.BL.13Arsenoflorencite-(Ce)
CeAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
8.BL.13Florencite-(Ce)
CeAl
 
3
(PO
 
4
)
 
2
(OH)
 
6
8.BL.13Florencite-(La)
LaAl
 
3
(PO
 
4
)
 
2
(OH)
 
6
8.BL.13Florencite-(Nd)
(Nd,La,Ce)Al
 
3
(PO
 
4
)
 
2
(OH)
 
6
8.BL.13Waylandite
BiAl
 
3
(PO
 
4
)
 
2
(OH)
 
6
8.BL.13Zaïrite
Bi(Fe
3+
 
,Al)
 
3
(PO
 
4
)
 
2
(OH)
 
6
8.BL.13Arsenowaylandite
BiAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
8.BL.13Graulichite-(Ce)
CeFe
3+
3
(AsO
 
4
)
 
2
(OH)
 
6
8.BL.13IMA2009-074
(Sm,Nd)Al
 
3
(PO
 
4
)
 
2
(OH)
 
6
8.BL.15Viitaniemiite
Na(Ca,Mn
2+
 
)Al(PO
 
4
)(F,OH)
 
3
8.BL.25Pattersonite
PbFe
3+
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
20.4.1Mansfieldite
AlAsO
 
4
 · 2H
 
2
O
20.4.2Bulachite
Al
 
2
(AsO
 
4
)(OH)
 
3
 · 3H
 
2
O
20.4.3Pharmacoalumite
KAl
 
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 6.5H
 
2
O
20.4.4Luetheite
Cu
 
2
Al
 
2
(AsO
 
4
)
 
2
(OH)
 
4
20.4.5Arsenogoyazite
SrAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
20.4.6Arsenocrandallite
CaAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
20.4.7Arsenoflorencite-(Ce)
CeAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
20.4.9Arsenoflorencite-(Nd)
NdAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
20.4.10Gerdtremmelite
(Zn,Fe)(Al,Fe)
 
2
(AsO
 
4
)(OH)
 
5
20.4.11Gasparite-(Ce)
(Ce,REE)(AsO
 
4
)
20.4.12Chernovite-(Y)
Y(AsO
 
4
)
20.4.13Agardite-(Y)
(Y,Ca)Cu
 
6
(AsO
 
4
)
 
2
(AsO
 
4
,HAsO
 
4
)(OH)
 
6
 · 3H
 
2
O
20.4.14Agardite-(La)
(La,Ce)Cu
 
6
(AsO
 
4
)
 
3
(OH)
 
6
 · 3H
 
2
O
20.4.15Goudeyite
(Al,Y)Cu
 
6
(AsO
 
4
)
 
3
(OH)
 
6
 · 3H
 
2
O
20.4.16Retzian-(Ce)
Mn
2+
2
Ce(AsO
 
4
)(OH)
 
4
20.4.17Retzian-(La)
(Mn
2+
 
,Mg)
 
2
(La,Ce,Nd)(AsO
 
4
)(OH)
 
4
20.4.18Retzian-(Nd)
Mn
2+
2
(Nd,Ce,La)(AsO
 
4
)(OH)
 
4

Other Names for Arsenoflorencite-(La)

Synonyms:
IMA2009-078
Other Languages:
German:Arsenoflorencit-(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 Arsenoflorencite-(La)

Reference List:

- +
Scharm, B., Scharmová, M., Sulovský, P. and Kühn, P. (1991): Philipsbornite, arsenoflorencite-(La), and arsenoflorencite-(Nd) from the uranium district in northern Bohemia, Czechoslovakia. Casopis mineral. geol. 36, 103-113.

Stuart J. Mills, Pavel M. Kartashov, Anthony R. Kampf, Mati Raudsepp (2010): Arsenoflorencite-(La), a new mineral from the Komi Republic, Russian Federation: description and crystal structure. Eur. J. Mineral, 22, 613–621.

Internet Links for Arsenoflorencite-(La)

Search Engines:
  • Look for Arsenoflorencite-(La) on Google
  • Look for Arsenoflorencite-(La) images on Google
    • External Links:
  • Look for Arsenoflorencite-(La) on Webmineral
  • Look for Arsenoflorencite-(La) on Athena Mineralogy
  • Look for Arsenoflorencite-(La) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • SpiriferMinerals.com - high quality low prices
  • Fabre Minerals - search for Arsenoflorencite-(La) specimens
  • Edwards Minerals - Fine Specimens
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Search for Arsenoflorencite-(La) from all mineral dealers at minfind.com
  • Top quality minerals from Kristalle of California
  • webminerals
  • By minerals from YourMineralCollection
  • Buy from David K Joyce minerals
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Search for - Arsenoflorencite-(La) - on e-Rocks Mineral Sales & Auctions
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Arsenoflorencite-(La)

    Hide Locality List
    (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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Liberec Region
    		Scharm, B., Scharmová, M., Sulovský, P., Kühn, P. (1991): Philipsbornite, arsenoflorencite-(La), and arsenoflorencite-(Nd) from the uranium district in northern Bohemia, Czechoslovakia. Casopis mineral. geol. 36, 103-113.
      • Ústí Region
        • Česká Lípa (Böhmisch Leipa)
    		Scharm et al. (1991)
    Scharm, B. et al. (1991)
    Germany
     
    • Thuringia
      • Harz Mts
        • Nordhausen
          • Ilfeld
    		J. Gröbner, U. Kolitsch and J. Wesiger (2011): New finds of vanadate and rare-earth minerals from the manganese mine Ilfeld, Harz. Mineralien-Welt 22 (1), 41-49. (in German)
    Russia
     
    • Northern Region
      • Komi Republic
        • Prepolar Ural
          • Kozhim River Basin
            • Maldynyrd (Maldy-nyrd) range
              • Grubependity Lake
    		IMA proposals approved January 2010
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 23rd Aug 2011 08:24:05
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds