Nioboaeschynite-(Nd)
A material that is NOT an approved mineral species
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Formula:
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Colour:
black
Hardness:
5½
Crystal System:
Orthorhombic
Member of:
This page provides mineralogical data about Nioboaeschynite-(Nd).
Unique Identifiers
Mindat ID:
2909
Long-form identifier:
mindat:1:1:2909:0
GUID
(UUID V4):
(UUID V4):
167250f3-1894-4049-90e3-cb47772a3e3a
IMA Classification of Nioboaeschynite-(Nd)
IMA status notes:
Rejected by the IMA
Classification of Nioboaeschynite-(Nd)
4.DF.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
F : With large (+- medium-sized) cations; dimers and trimers of edgesharing octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
F : With large (+- medium-sized) cations; dimers and trimers of edgesharing octahedra
18.2.17
18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U
18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U
Physical Properties of Nioboaeschynite-(Nd)
Chemistry of Nioboaeschynite-(Nd)
Mindat Formula:
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Crystallography of Nioboaeschynite-(Nd)
Crystal System:
Orthorhombic
Synonyms of Nioboaeschynite-(Nd)
Nioboaeschynite (in part)
Other Language Names for Nioboaeschynite-(Nd)
Simplified Chinese:铌钕易解石
Relationship of Nioboaeschynite-(Nd) to other Species
Member of:
Other Members of this group:
Aeschynite-(Ce) | (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | Orth. mmm (2/m 2/m 2/m) : Pmna |
Aeschynite-(Nd) | (Nd,Ln,Ca)(Ti,Nb)2(O,OH)6 | Orth. mmm (2/m 2/m 2/m) |
Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 | Orth. mmm (2/m 2/m 2/m) : Pmna |
Nioboaeschynite-(Ce) | (Ce,Ca)(Nb,Ti)2(O,OH)6 | Orth. mmm (2/m 2/m 2/m) |
Nioboaeschynite-(Y) | (Y,REE,Ca,Th,Fe)(Nb,Ti,Ta)2(O,OH)6 | Orth. mmm (2/m 2/m 2/m) : Pban |
Rynersonite | CaTa2O6 | Orth. mmm (2/m 2/m 2/m) |
Tantalaeschynite-(Y) | Y(Ta,Ti,Nb)2O6 | Orth. mmm (2/m 2/m 2/m) |
UM2001-09-O:CaNbREESiTiY | (Ca,Y,REE)(Ti,Nb,Si)2(O,OH)6 | |
Vigezzite | (Ca,Ce)(Nb,Ta,Ti)2O6 | Orth. mmm (2/m 2/m 2/m) : Pnma |
Related Minerals - Strunz-mindat Grouping
4.DF.05 | Aeschynite-(Ce) | (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 |
4.DF.05 | Aeschynite-(Nd) | (Nd,Ln,Ca)(Ti,Nb)2(O,OH)6 |
4.DF.05 | Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
4.DF.05 | Nioboaeschynite-(Ce) | (Ce,Ca)(Nb,Ti)2(O,OH)6 |
4.DF.05 | Nioboaeschynite-(Y) | (Y,REE,Ca,Th,Fe)(Nb,Ti,Ta)2(O,OH)6 |
4.DF.05 | Rynersonite | CaTa2O6 |
4.DF.05 | Tantalaeschynite-(Y) | Y(Ta,Ti,Nb)2O6 |
4.DF.05 | Vigezzite | (Ca,Ce)(Nb,Ta,Ti)2O6 |
4.DF.10 | Changbaiite | PbNb2O6 |
4.DF.15 | Murataite-(Y) | (Y,Na)6Zn(Zn,Fe3+)4(Ti,Nb,Na)12O29(O,F,OH)10F4 |
Other Information
Health Risks:
Radioactive
Internet Links for Nioboaeschynite-(Nd)
mindat.org URL:
https://www.mindat.org/min-2909.html
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References for Nioboaeschynite-(Nd)
Reference List:
Localities for Nioboaeschynite-(Nd)
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
China | |
| Yang Zhuming et al. (2001) +1 other reference |
Mexico | |
| Wittmann A (2022) |
Russia | |
| Koneva A.A. et al. (2010) |
Mills et al. (2012) | |
South Korea | |
| Pavel.M. Kartashov (n.d.) |