Mckelveyite-(Nd) (original) (raw)
A valid IMA mineral species
Formula:
NaCaBa3Nd(CO3)6 · 3H2O
Colour:
Greenish yellow-brown.
Crystal System:
Monoclinic
Redefined / approved in 2023.
The Nd analogue of mckelveyite-(Y). Unique combination of elements (at the upload time).
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:2616:7
0399800c-d21a-4ff1-b9b7-fa03fb0c0c4f
IMA Classification of Mckelveyite-(Nd)Hide
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Approved, Pending publication
IMA status notes:
Redefined by the IMA
IMA Formula:
NaCaBa3Nd(CO3)6 · nH2O
Approval history:
IMA No. 2023-017 (the redefined / approved species)
Classification of Mckelveyite-(Nd)Hide
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5.CC.05
5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)
15.3.4.3
15 : HYDRATED NORMAL CARBONATES
3 : AmBn(XO3)p·xH2O, with (m+n):p = 1:1
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Mkv-Nd | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Mckelveyite-(Nd)Hide
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Transparency:
Transparent, Opaque
Colour:
Greenish yellow-brown.
Optical Data of Mckelveyite-(Nd)Hide
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RI values:
_n_α = 1.556 _n_β = 1.650 _n_γ = 1.653
2V:
Measured: 10° to 13°, Calculated: 18°
δ = 0.097
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of Mckelveyite-(Nd)Hide
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Mindat Formula:
NaCaBa3Nd(CO3)6 · 3H2O
Crystallography of Mckelveyite-(Nd)Hide
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Crystal System:
Monoclinic
Cell Parameters:
a = 15.877(1) Å, b = 9.1792(7) Å, c = 13.8292(8) Å
β = 112.251(5)°
Ratio:
a:b:c = 1.73 : 1 : 1.507
Unit Cell V:
1,865.36 ų (Calculated from Unit Cell)
Comment:
formerly thought to be triclinic
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.39 Å | (36) |
| 4.584 Å | (37) |
| 4.314 Å | (100) |
| 3.124 Å | (84) |
| 2.647 Å | (48) |
| 2.623 Å | (26) |
| 2.040 Å | (22) |
| 2.019 Å | (29) |
Type Occurrence of Mckelveyite-(Nd)Hide
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Place of Conservation of Type Material:
collections of the Canadian Museum of Nature, PO Box 3443, Station “D”, Ottawa, Canada, catalogue number CMNMC 90535
Synonyms of Mckelveyite-(Nd)Hide
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Relationship of Mckelveyite-(Nd) to other SpeciesHide
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Other Members of this group:
Related Minerals - Strunz-mindat GroupingHide
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| 5.CC. | Alicewilsonite-(YCe) | Na2Sr2YCe(CO3)6 · 3H2O | Tric. 1 : _P_1 |
|---|---|---|---|
| 5.CC. | Yuchuanite-(Y) | Y2(CO3)3 · H2O | Tric. 1 : _P_1 |
| 5.CC. | Bainbridgeite-(NdCe) | Na2Ba2NdCe(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Donnayite-(Y) | NaCaSr3Y(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Ewaldite | Ba(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2O | Hex. 6_m_ m : P_63_m c |
| 5.CC.05 | Mckelveyite-(Y) | NaCaBa3Y(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Weloganite | Na2Sr3Zr(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Unnamed (MSH UK-37A) | Sr3NaCaY(CO3)6 · 3H2O | Hex. 6_m_ m : P_63_m c |
| 5.CC.05 | UM1992-05-CO:CaCeLaNaSr | (Sr,Na,Y,REE,Ca,Ba)2(CO3)2 · H2O | Trig. 3_m_ : R_3_m |
| 5.CC.05 | Mckelveyite Group | A3B3(CO3)6 · 3H2O | |
| 5.CC.05 | Bainbridgeite-(YCe) | Na2Ba2YCe(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Alicewilsonite-(YLa) | Na2Sr2YLa(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.10 | Tengerite-(Y) | Y2(CO3)3 · 2-3H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
| 5.CC.15 | Kimuraite-(Y) | Ca(Y,Nd)2(CO3)4 · 6H2O | Orth. |
| 5.CC.15 | Lokkaite-(Y) | Ca(Y,Gd,Nd,Dy)4(CO3)7 · 9H2O | Orth. |
| 5.CC.15 | Hizenite-(Y) | Ca2Y6(CO3)11 · 14H2O | Orth. |
| 5.CC.20 | Shomiokite-(Y) | Na3Y[CO3]3 · 3H2O | Orth. m _m_2 |
| 5.CC.25 | Calkinsite-(Ce) | (Ce,La)2(CO3)3 · 4H2O | Orth. |
| 5.CC.25 | Lanthanite-(Ce) | (Ce,La,Nd)2(CO3)3 · 8H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.CC.25 | Lanthanite-(La) | (La,Ce)2(CO3)3 · 8H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.CC.25 | Lanthanite-(Nd) | (Nd,La)2(CO3)3 · 8H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.CC.30 | Adamsite-(Y) | NaY[CO3]2 · 6H2O | Tric. 1 : _P_1 |
| 5.CC.35 | Decrespignyite-(Y) | Cu(Y,REE)4(CO3)4(OH)5Cl · 2H2O | Mon. |
| 5.CC.40 | Galgenbergite-(Ce) | Ca(Ce,La,Nd)2(CO3)4 · H2O | Tric. 1 : _P_1 |
| 5.CC.45 | Lecoqite-(Y) | Na3Y(CO3)3 · 6H2O | Hex. 6 : _P_63 |
Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Mckelveyite-(Nd)Hide
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References for Mckelveyite-(Nd)Hide
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Localities for Mckelveyite-(Nd)Hide
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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
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
| Russia (TL) | |
|---|---|
| Murmansk Oblast Khibiny Massif Kukisvumchorr Mt Kirovskii apatite mine ⓘ 252 m level (TL) | Bosi et al. (2023) |
| Northern Karelia ⓘ Vuoriyarvi alkaline-ultrabasic massif | ZVMO 119 (6) |