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Rhabdophane-(La)

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About Rhabdophane-(La)Hide

Formula:
La(PO4) · H2O
La is almost always replaced by major to minor Ce and/or Nd.
Colour:
Brown, pinkish, yellowish-white
Hardness:
Crystal System:
Hexagonal
Name:
From the Greek, rhabdos, a rod, plus phainesthai, to appear, in allusion to the bands characteristically exhibited in its spectrum, plus the suffix "-(La)" indicating the dominance of La over other REE in this species.

Classification of Rhabdophane-(La)Hide

Approved
8.CJ.45

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
J : With only large cations
40.4.7.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
4 : (AB)5(XO4)2·xH2O
19.9.7

19 : Phosphates
9 : Phosphates of rare earths and Sc

Pronounciation of Rhabdophane-(La)Hide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of Rhabdophane-(La)Hide

Colour:
Brown, pinkish, yellowish-white
Hardness:
3½ on Mohs scale

Optical Data of Rhabdophane-(La)Hide

Type:
Uniaxial (+)
RI values:
nω = 1.654 nε = 1.703
Max Birefringence:
δ = 0.049
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High

Chemical Properties of Rhabdophane-(La)Hide

Formula:
La(PO4) · H2O

La is almost always replaced by major to minor Ce and/or Nd.

Crystallography of Rhabdophane-(La)Hide

Crystal System:
Hexagonal
Class (H-M):
6 2 2 - Trapezohedral
Space Group:
P62 2 2
Cell Parameters:
a = 7.03(1) Å, c = 6.41(1) Å
Ratio:
a:c = 1 : 0.912
Unit Cell V:
274.35 ų (Calculated from Unit Cell)
Z:
3
Comment:
Space group by analogy with rhabdophane-(Ce).

Type Occurrence of Rhabdophane-(La)Hide

General Appearance of Type Material:
Incrustations
Place of Conservation of Type Material:
Not determined.
Geological Setting of Type Material:
Limonitic iron ore deposit.
Associated Minerals at Type Locality:

Other Language Names for Rhabdophane-(La)Hide

Relationship of Rhabdophane-(La) to other SpeciesHide

Other Members of this group:
Brockite(Ca,Th,Ce)PO4 · H2OHex. 6 2 2 : P62 2 2
Rhabdophane-(Ce)Ce(PO4) · H2OHex. 6 2 2 : P62 2 2
Rhabdophane-(Nd)Nd(PO4) · H2OHex. 6 2 2 : P62 2 2
Rhabdophane-(Y)YPO4·H2OHex. 6 2 2 : P62 2 2
Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2OHex.
UM1993-07-PO:CaCeHLa(Ca,Ce,La,REE)PO4•nH2OHex. 6 2 2 : P62 2 2

Common AssociatesHide

Associated Minerals Based on Photo Data:
4 photos of Rhabdophane-(La) associated with Ferronordite-(La)Na3Sr(La,Ce)FeSi6O17
4 photos of Rhabdophane-(La) associated with UssingiteNa2AlSi3O8OH
4 photos of Rhabdophane-(La) associated with Rhabdophane-(Nd)Nd(PO4) · H2O
3 photos of Rhabdophane-(La) associated with Ferronordite-(Ce)Na3SrCeFe2+Si6O17
2 photos of Rhabdophane-(La) associated with Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
2 photos of Rhabdophane-(La) associated with EpistoliteNa2(Nb,Ti)2(Si2O7)O2 · nH2O
1 photo of Rhabdophane-(La) associated with Goethiteα-Fe3+O(OH)

Related Minerals - Nickel-Strunz GroupingHide

8.CJ.CaesiumpharmacosideriteCsFe4[(AsO4)3(OH)4]·4H2OIso. 4 3m : P4 3m
8.CJ.JeankempiteCa5(AsO4)2(HAsO4)2 · 7H2OTric. 1 : P1
8.CJ.05StercoriteNa(NH4)HPO4 · 4H2OTric.
8.CJ.10Mundrabillaite(NH4)2Ca(HPO4)2 · H2OMon. m : Pm
8.CJ.10Swaknoite(NH4)2Ca(HPO4)2 · H2OOrth.
8.CJ.15NabaphiteNaBaPO4 · 9H2OIso.
8.CJ.15NastrophiteNa(Sr,Ba)PO4 · 9H2OIso. 2 3 : P21 3
8.CJ.20HaidingeriteCaHAsO4 · H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
8.CJ.25VladimiriteCa4(AsO4)2(AsO3OH) · 4H2OMon. 2/m : P21/b
8.CJ.30FerrarisiteCa5(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CJ.35Machatschkiite(Ca,Na)6(AsO4)(HAsO4)3(PO4,SO4) · 15H2OHex.
8.CJ.40PhaunouxiteCa3(AsO4)2 · 11H2OTric.
8.CJ.40RauenthaliteCa3(AsO4)2 · 10H2OTric. 1 : P1
8.CJ.45Brockite(Ca,Th,Ce)PO4 · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Grayite(Th,Pb,Ca)(PO4) · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Rhabdophane-(Ce)Ce(PO4) · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Rhabdophane-(Nd)Nd(PO4) · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2OHex.
8.CJ.45Smirnovskite(Th,Ca)PO4 · nH2OHex. 6 2 2 : P62 2 2
8.CJ.50ArdealiteCa2(HPO4)(SO4) · 4H2OMon. m : Bb
8.CJ.50BrushiteCa(HPO4) · 2H2OMon. m : Bb
8.CJ.50Churchite-(Y)Y(PO4) · 2H2OMon. 2/m : B2/b
8.CJ.50PharmacoliteCa(HAsO4) · 2H2OMon. m
8.CJ.50Churchite-(Nd)Nd(PO4) · 2H2OMon.
8.CJ.55McneariteNaCa5(AsO4)(HAsO4)4 · 4H2OTric.
8.CJ.60DorfmaniteNa2HPO4 · 2H2OOrth.
8.CJ.65SincositeCa(VO)2(PO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P42/nnm
8.CJ.65BariosincositeBa(VO)2(PO4)2 · 4H2OTet.
8.CJ.70CatalanoiteNa2(HPO4) · 8H2OOrth. mmm (2/m 2/m 2/m) : Ibca
8.CJ.75GuériniteCa5(AsO4)2(HAsO4)2 · 9H2OMon. 2/m : P21/b
8.CJ.85NingyoiteCaU(PO4)2 · 1-2H2OOrth.

Related Minerals - Dana Grouping (8th Ed.)Hide

40.4.7.1Rhabdophane-(Ce)Ce(PO4) · H2OHex. 6 2 2 : P62 2 2
40.4.7.4Grayite(Th,Pb,Ca)(PO4) · H2OHex. 6 2 2 : P62 2 2
40.4.7.5Brockite(Ca,Th,Ce)PO4 · H2OHex. 6 2 2 : P62 2 2
40.4.7.6Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2OHex.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.9.1Xenotime-(Y)Y(PO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
19.9.2Churchite-(Y)Y(PO4) · 2H2OMon. 2/m : B2/b
19.9.3Monazite-(Ce)Ce(PO4)Mon. 2/m : P21/b
19.9.4Monazite-(La)La(PO4)Mon. 2/m : P21/m
19.9.5Monazite-(Nd)Nd(PO4)Mon. 2/m
19.9.6Rhabdophane-(Ce)Ce(PO4) · H2OHex. 6 2 2 : P62 2 2
19.9.8Rhabdophane-(Nd)Nd(PO4) · H2OHex. 6 2 2 : P62 2 2
19.9.9Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
19.9.10Florencite-(Ce)CeAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
19.9.11Florencite-(La)LaAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
19.9.12Florencite-(Nd)NdAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
19.9.13KolbeckiteScPO4 · 2H2OMon. 2/m

Other InformationHide

Notes:
Readily soluble in HCl.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Rhabdophane-(La)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Brush and Penfield (1883) American Journal of Science: 25: 459 (as Scovillite).
Brush and Penfield (1884) American Journal of Science: 27: 200 (as Scovillite).
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, 1124 pp.: 774 (as Scovillite).
Mineralogical Magazine (1984): 48: 146.

Internet Links for Rhabdophane-(La)Hide

Localities for Rhabdophane-(La)Hide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Bahia
    • Novo Horizonte
      • Tapera
Menezes Filho, Luiz A.D. (2016)
Burundi
 
  • Bujumbura Rural Province
Van Wambeke, L. (1977): The Karonge rare earth deposits, Republic of Burundi: New mineralogical-geochemical data and origin of the mineralization. Mineralium Deposita. 12 (3), 373-380
Canada
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
HORVÁTH, L., PFENNINGER-HORVÁTH, E. (2000) I minerali di Mont-Saint-Hilaire (Québec, Canada) Rivista Mineralogica Italiana, XXIV, 140-202 (in Italian with English summary).
China
 
  • Jiangxi
    • Ganzhou
Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
Czech Republic
 
  • Moravian-Silesian Region
    • Frýdek-Místek District
Matýsek D. (2013): Projevy mobilizace prvků vzácných zemin (REE) v podbeskydských těšínitech. Acta Mus. Morav., Sci. nat., 98, 101–113.
Germany
 
  • Baden-Württemberg
    • Freiburg
      • Ortenaukreis
        • Gengenbach
          • Haigerach valley
Wittern: "Mineralfundorte in Deutschland", 2001
        • Oberwolfach
U. Kolitsch, J. Gröbner, F. Brandstätter and R. Bayerl (2010): Neufunde aus der Grube Clara im mittleren Schwarzwald (IV): Calcioandyrobertsit, Cotunnit, Gerhardtit, Khaidarkanit, Lukrahnit, Mckinstryit, Moolooit, Rhabdophan-(La), Rouait und Uricit. Lapis 35 (9), 22-27; 62 (in German).
  • Lower Saxony
    • Göttingen
      • Bad Lauterberg
Gröbner, J. & Kloss, D. (2010): Neufunde von der Grube Wolkenhügel bei Bad Lauterberg im Harz. Lapis 35 (1), 39-41; 62.
Japan
 
  • Saga Prefecture
    • Higashimatsuura district
      • Genkai-cho
Takai, Y. and Uehara, S. (2012) Rhabdophane-(Y), YPO4·H2O, a new mineral in alkali olivine basalt from Hinodematsu, Genkai-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 107, 110-113.
Malawi
 
  • Southern Region
    • Zomba
American Mineralogist, Volume 94, pages 1216–1222, 2009
Russia
 
  • Murmansk Oblast
    • Lovozersky District
www.excaliburmineral.com
        • Second Eastern Stream (Kromka Stream)
Pekov, I. V. (2000) Lovozero Massif - History, Pegmatites, Minerals. Ocean Pictures LTD: Moscow 2000.
USA (TL)
 
  • Connecticut
    • Litchfield Co.
      • Salisbury
        • Salisbury Mining District
Brush, George J. and Samuel L. Penfield. (1883), Scovillite: A New Phosphate of Didymium, Yttrium and other Rare Earths, From Salisbury, Connecticut. American Journal of Science: 25: 459.
  • Wisconsin
    • Marathon Co.
      • Wausau Intrusive Complex
Hanson, S.L., et al (1999) Rocks and Minerals, 74, 184
 
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