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Donnayite-(Y)

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Formula:
NaCaSr3Y(CO3)6 · 3H2O
Hardness:
3
Crystal System:
Triclinic
Member of:
Name:
Named in 1978 by Chao et al. in honor of Joseph Désiré Hubert Donnay (Oreye, Liège province, Belgium, June 6 1902 - Mont Saint Hilaire, Quebec, August 8 1994), Professor of Mineralogy and Crystallography, Johns Hopkins University, Baltimore, U.S.A. and his wife Gabrielle (Gai) Donnay-Hamburger (1920-1987), Professor of Crystallography, McGill University, Montréal, Canada, for their significant contributions to crystallography.
Two polytypes are known, donnayite-(Y)-1A and donnayite-(Y)-3R.


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Classification of Donnayite-(Y)Hide

Approved
5.CC.05

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)
15.3.4.1

15 : HYDRATED NORMAL CARBONATES
3 : AmBn(XO3)p·xH2O, with (m+n):p = 1:1
11.8.16

11 : Carbonates
8 : Carbonates of the rare earths

Physical Properties of Donnayite-(Y)Hide

Hardness:

Optical Data of Donnayite-(Y)Hide

Type:
Biaxial (-)
RI values:
nα = 1.551 - 1.561 nβ = 1.646 nγ = 1.652
2V:
Calculated: 26° to 28°
Max Birefringence:
δ = 0.101
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v strong

Chemical Properties of Donnayite-(Y)Hide

Formula:
NaCaSr3Y(CO3)6 · 3H2O
IMA Formula:
NaSr3CaY(CO3)6 · 3H2O

Crystallography of Donnayite-(Y)Hide

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 9.000 Å, b = 8.999 Å, c = 6.793 Å
α = 102.77°, β = 116.28°, γ = 59.99°
Ratio:
a:b:c = 1 : 1 : 0.755
Unit Cell V:
427.17 ų (Calculated from Unit Cell)
Z:
1

Type Occurrence of Donnayite-(Y)Hide

Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa
Royal Ontario Museum, Toronto
National Museum of Natural History, Washington

Synonyms of Donnayite-(Y)Hide

Other Language Names for Donnayite-(Y)Hide

Simplified Chinese:碳钇锶石
Traditional Chinese:碳釔鍶石

Relationship of Donnayite-(Y) to other SpeciesHide

Member of:
Other Members of this group:
EwalditeBa(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2OHex. 6mm
Mckelveyite-(Y)NaCaBa3Y(CO3)6 · 3H2OTric. 1 : P1
WeloganiteNa2Sr3Zr(CO3)6 · 3H2OTric. 1 : P1

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ewaldite31 photos of Donnayite-(Y) associated with Ewaldite on mindat.org.
Pyrite17 photos of Donnayite-(Y) associated with Pyrite on mindat.org.
Calcite16 photos of Donnayite-(Y) associated with Calcite on mindat.org.
Kamphaugite-(Y)4 photos of Donnayite-(Y) associated with Kamphaugite-(Y) on mindat.org.
Albite3 photos of Donnayite-(Y) associated with Albite on mindat.org.
Microcline2 photos of Donnayite-(Y) associated with Microcline on mindat.org.
Siderite2 photos of Donnayite-(Y) associated with Siderite on mindat.org.
Decrespignyite-(Y)2 photos of Donnayite-(Y) associated with Decrespignyite-(Y) on mindat.org.
Bastnäsite-(La)2 photos of Donnayite-(Y) associated with Bastnäsite-(La) on mindat.org.
Mckelveyite-(Y)1 photo of Donnayite-(Y) associated with Mckelveyite-(Y) on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.CC.05EwalditeBa(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2OHex. 6mm
5.CC.05Mckelveyite-(Nd)(Ba,Sr)(Nd,Ce,La)(CO3)2 · 4-10H2OTric.
5.CC.05Mckelveyite-(Y)NaCaBa3Y(CO3)6 · 3H2OTric. 1 : P1
5.CC.05WeloganiteNa2Sr3Zr(CO3)6 · 3H2OTric. 1 : P1
5.CC.10Tengerite-(Y)Y2(CO3)3 · 2-3H2OOrth. mmm (2/m 2/m 2/m) : Pnnm
5.CC.15Kimuraite-(Y)Ca(Y,Nd)2(CO3)4 · 6H2OOrth.
5.CC.15Lokkaite-(Y)Ca(Y,Gd,Nd,Dy)4(CO3)7 · 9H2OOrth.
5.CC.20Shomiokite-(Y)Na3Y[CO3]3 · 3H2OOrth.
5.CC.25Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2OOrth.
5.CC.25Lanthanite-(Ce)(Ce,La,Nd)2(CO3)3 · 8H2OOrth. mmm (2/m 2/m 2/m)
5.CC.25Lanthanite-(La)(La,Ce)2(CO3)3 · 8H2OOrth.
5.CC.25Lanthanite-(Nd)(Nd,La)2(CO3)3 · 8H2OOrth.
5.CC.30Adamsite-(Y)NaY[CO3]2 · 6H2OTric. 1 : P1
5.CC.35Decrespignyite-(Y)Cu(Y,REE)4(CO3)4(OH)5Cl · 2H2OMon.
5.CC.40Galgenbergite-(Ce)Ca(Ce,La,Nd)2(CO3)4 · H2OTric.

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

15.3.4.2Mckelveyite-(Y)NaCaBa3Y(CO3)6 · 3H2OTric. 1 : P1
15.3.4.3Mckelveyite-(Nd)(Ba,Sr)(Nd,Ce,La)(CO3)2 · 4-10H2OTric.
15.3.4.4WeloganiteNa2Sr3Zr(CO3)6 · 3H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

11.8.1Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2OOrth.
11.8.2Lanthanite-(La)(La,Ce)2(CO3)3 · 8H2OOrth.
11.8.3Lanthanite-(Ce)(Ce,La,Nd)2(CO3)3 · 8H2OOrth. mmm (2/m 2/m 2/m)
11.8.4Lanthanite-(Nd)(Nd,La)2(CO3)3 · 8H2OOrth.
11.8.5Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)Hex. 6 : P6
11.8.6Hydroxylbastnäsite-(Nd)Nd(CO3)(OH)Hex.
11.8.7Hydroxylbastnäsite-(La)(La,Nd,Ce)(CO3)(OH,F)Hex.
11.8.8Rémondite-(Ce)Na3(Ce,La,Ca,Na,Sr)3(CO3)5Mon. 2 : P21
11.8.9Tengerite-(Y)Y2(CO3)3 · 2-3H2OOrth. mmm (2/m 2/m 2/m) : Pnnm
11.8.10Kimuraite-(Y)Ca(Y,Nd)2(CO3)4 · 6H2OOrth.
11.8.11Lokkaite-(Y)Ca(Y,Gd,Nd,Dy)4(CO3)7 · 9H2OOrth.
11.8.12Calcioancylite-(Nd)Ca(Nd,La,Ce)(CO3)2(OH).H2OMon. m : Pm
11.8.13Calcioancylite-(Ce)(Ce,Ca,Sr)Ce(CO3)(OH,H2O)Orth. mmm (2/m 2/m 2/m)
11.8.14Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5Hex. 6mm : P63mc
11.8.15Khanneshite(Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5Hex.
11.8.17Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2Orth. mm2
11.8.18Ancylite-(Ce)CeSr(CO3)2(OH) · H2OOrth. mmm (2/m 2/m 2/m)
11.8.19EwalditeBa(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2OHex. 6mm
11.8.20Mckelveyite-(Y)NaCaBa3Y(CO3)6 · 3H2OTric. 1 : P1
11.8.21Sahamalite-(Ce)(Mg,Fe)(Ce,La,Nd)2(CO3)4Mon. 2/m : P21/b

Other InformationHide

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 Donnayite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
CHAO, G.Y., MAINWARING, P.R., and BAKER, J. (1978) Donnayite, NaCaSr3Y(CO3)6•3H2O, a new mineral from Mont St Hilaire, Québec. Canadian Mineralogist, 16, 335 340.
TRINH, T.L.T., POBEDIMSKAYA, E.A., NADEZHINA, T.N., and KHOMYAKOV, A.P. (1984) The crystal structures of alkaline carbonates; barentsite, bonshtedtite and donnayite. Acta Crystallographica, A40 (Supplement), C257 (abstract).

Internet Links for Donnayite-(Y)Hide

Localities for Donnayite-(Y)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.
Australia
 
  • South Australia
    • Olary Province
      • Yunta
[C. Kovac, pers com]
Austria
 
  • Lower Austria
    • Industrieviertel
      • Gloggnitz
Kolitsch, U. & Slama, M. (2016): Zur Mineralogie des niederösterreichischen Anteils des Semmering-Basistunnels: ein erster Bericht. Der Steirische Mineralog 31, 20-27 (in German).
Bolivia
 
  • Cochabamba Department
    • Ayopaya Province
A.R. Kampf
Canada (TL)
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Chao, G.Y., Mainwaring, P.R., Baker, J. (1978), Donnayite, NaCaSr3Y(CO3)6 73H2O, a new mineral from Mont St-Hilaire, Quebec. Canadian Mineralogist: 16: 335-340.
      • Lajemmerais RCM
        • Varennes & St-Amable
HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118.
Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
Greenland
 
  • Kujalleq
    • Narsaq
      • Igaliku (Igaliko)
        • Narsaarsuk Plateau
Petersen et al. (2003): N. Jb. Miner. Mh. 12: 543-555
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
        • Kukisvumchorr Mt
[World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
American Mineralogist, Volume 92, pages 1525-1530, 2007
Zaitsev, A.N., Wall, F., Le Bas, M.J. (1998): REE-Sr-Ba minerals from the Khibina carbonatites, Kola peninsula, Russia: their mineralogy, paragenesis and evolution. Mineralogical Magazine, 62, 225-250; Yakovenchuk, V.N., Ivanyuk, G.Yu., Pakhomovsky, Ya.A., Men'shikov, Yu.P. (2005): Khibiny. Laplandia Minerals Ltd. (in association with the Mineralogical Society of Great Britain and Ireland), Apatity, 468 pp.
- Khomyakov, A. P. (1995): Mineralogy of hyperagpaitic alkaline rocks. Clarendon Press, Oxford, 223 pp.
      • Northern Karelia
www.koeln.netsurf.de/~w.steffens/vuori.htm; New Data on Minerals (2004): 39: 50-64
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
New Data on Minerals (2004): 39: 50-64
South Africa
 
  • North West Province
    • Ngaka Modiri Molema District
VERWOERD, W.J. (1993) Update on carbonatites of South Africa and Namibia. South African Journal of Geology, 96(3), 75-95.
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