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Calcioancylite-(Nd)

Big Photo

Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
© Elmar Lackner

Show Calcioancylite-(Nd) Photos (9)
Formula:
(Nd,Ce)
 
3
Ca(CO
 
3
)
 
4
(OH)
 
3
·H
 
2
O
System:MonoclinicHardness:4 - 4½
Name:From the Greek αυκιλος for 'curved', in allusion to the rounded and distorted crystal shapes, and the prefix "CALCIO-" in allusion to its composition with CALCIum dominant over strontium, plus the "-(Nd)" suffix due to neodymium being the dominant REE.


The neodymium analogue of Calcioancylite-(Ce).

Classification of Calcioancylite-(Nd)

IMA status:Approved
Nickel-Strunz 10th (pending) edition ID:5.DC.05

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
C : With large cations
Dana 8th edition ID:16b.1.1.3

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : AmBn(XO3)pZqxH2O & with (m+n):p = 1:1
Hey's CIM Ref.:11.8.12

11 : Carbonates
8 : Carbonates of the rare earths
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Type Occurrence of Calcioancylite-(Nd)

Type Locality:Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Physical Properties of Calcioancylite-(Nd)

Hardness (Mohs):4 - 4½

Crystallography of Calcioancylite-(Nd)

Crystal System:Monoclinic

Optical Data of Calcioancylite-(Nd)

Type:Biaxial (-)
RI values: nα = 1.660 nβ = 1.725 nγ = 1.761
2V:Measured: 70° to 74°, Calculated: 70°
Maximum Birefringence:δ = 0.101

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

Chemical Properties of Calcioancylite-(Nd)

Formula:
(Nd,Ce)
 
3
Ca(CO
 
3
)
 
4
(OH)
 
3
·H
 
2
O
Essential elements:C, Ca, H, Nd, O
All elements listed in formula:C, Ca, Ce, H, Nd, O

Relationship of Calcioancylite-(Nd) to other Species

Member of Group:
Ancylite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
5.DC.05Ancylite-(Ce)
SrCe[OH|(CO
 
3
)
 
2
] · H
 
2
O
5.DC.05Calcioancylite-(Ce)
(Ca,Sr)Ce(CO
 
3
)
 
2
OH·H
 
2
O
5.DC.05Gysinite-(Nd)
Pb(Nd,La)[OH|(CO
 
3
)
 
2
] · H
 
2
O
5.DC.05Ancylite-(La)
Sr(La,Ce)[OH|(CO
 
3
)
 
2
] · H
 
2
O
5.DC.05Kozoite-(Nd)
(Nd,La,Sm,Pr)[OH|CO
 
3
]
5.DC.05Kozoite-(La)
(La,Nd)(CO
 
3
)(OH)
5.DC.10Kamphaugite-(Y)
Ca(Y,REE)[OH|(CO
 
3
)
 
2
] · H
 
2
O
5.DC.15Sheldrickite
NaCa
 
3
(CO
 
3
)
 
2
F
 
3
·H
 
2
O
5.DC.20Thomasclarkite-(Y)
(Na,Ce)(Y,REE)[(OH)
 
3
|HCO
 
3
] · 4H
 
2
O
5.DC.25Peterbaylissite
(Hg-Hg)
 
1.5
[OH|CO
 
3
] · 2H
 
2
O
5.DC.30Clearcreekite
(Hg-Hg)
 
1.5
[OH|CO
 
3
] · 2H
 
2
O
5.DC.35Niveolanite
NaBe(CO
 
3
)(OH)·2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
11.8.1Calkinsite-(Ce)
(Ce,La)
 
2
[CO
 
3
]
 
3
 · 4H
 
2
O
11.8.2Lanthanite-(La)
(La,Ce)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
11.8.3Lanthanite-(Ce)
(Ce,La,Nd)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
11.8.4Lanthanite-(Nd)
(Nd,La)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
11.8.5Hydroxylbastnäsite-(Ce)
(Ce,La)[(OH,F)|CO
 
3
]
11.8.6Hydroxylbastnäsite-(Nd)
(Nd,Ce,La)[(OH,F)|CO
 
3
]
11.8.7Hydroxylbastnäsite-(La)
(La,Ce)[(OH,F)|CO
 
3
]
11.8.8Remondite-(Ce)
Na
 
3
(Ce,La,Ca,Na,Sr)
 
3
(CO
 
3
)
 
5
11.8.9Tengerite-(Y)
Y
 
2
[CO
 
3
]
 
3
 · 2-3H
 
2
O
11.8.10Kimuraite-(Y)
Ca(Y,Nd)
 
2
[CO
 
3
]
 
4
 · 6H
 
2
O
11.8.11Lokkaite-(Y)
Ca(Y,Gd,Nd,Dy)
 
4
[CO
 
3
]
 
7
 · 9H
 
2
O
11.8.13Calcioancylite-(Ce)
(Ca,Sr)Ce(CO
 
3
)
 
2
OH·H
 
2
O
11.8.14Burbankite
(Na,Ca)
 
3
(Sr,Ba,Ce)
 
3
(CO
 
3
)
 
5
11.8.15Khanneshite
(Na,Ca)
 
3
(Ba,Sr,Ce,Ca)
 
3
(CO
 
3
)
 
5
11.8.16Donnayite-(Y)
Sr
 
3
NaCaY(CO
 
3
)
 
6
·3H
 
2
O
11.8.17Carbocernaite
(Ca,Na)(Sr,Ce,Ba)(CO
 
3
)
 
2
11.8.18Ancylite-(Ce)
SrCe[OH|(CO
 
3
)
 
2
] · H
 
2
O
11.8.19Ewaldite
Ba(Ca,Y,Na,K)(CO
 
3
)
 
2
11.8.20Mckelveyite-(Y)
Ba
 
3
Na(Ca,U)Y(CO
 
3
)
 
6
·3H
 
2
O
11.8.21Sahamalite-(Ce)
(Mg,Fe)(Ce,La,Nd)
 
2
(CO
 
3
)
 
4

Other Names for Calcioancylite-(Nd)

Synonyms:
IMA1989-008
Other Languages:
Russian:Кальциоанкилит-(Nd)

Other Information

Other Information:Readily soluble in acids.
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 Calcioancylite-(Nd)

Reference List:European Journal of Mineralogy (1990): 2: 413-418.

American Mineralogist 76 (1991), 1729.

New Mins. (1997), New Minerals 1990-1994.

American Mineralogist 84 (1999), 1466.

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    Localities for Calcioancylite-(Nd)

    (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.
    Australia
     
    • South Australia
      • Mt Lofty Ranges
        • North Mt Lofty Ranges
          • Yunta
    		 Brugger, J., Ogierman, J., Pring, A., Waldron, H., Kolitsch, U. (2006): Origin of the secondary REE-minerals at the Paratoo copper deposit near Yunta, South Australia. Mineralogical Magazine, 70, 609-627.
    Italy
     
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Baveno
          • Oltrefiume
            • Mount Camoscio
    		Orlandi P., Pasero M., Vezzalini G.(1990): Calcio-ancylite-(Nd), a new REE-carbonate from Baveno, Italy. Eur. J. Mineral., 2, 413-418.
    Mineral and/or Locality
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