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Calkinsite-(Ce)

Formula:
(Ce,La)
 
2
[CO
 
3
]
 
3
 · 4H
 
2
O
System:OrthorhombicColour:pale yellow
Hardness:2½
This page provides mineralogical data about Calkinsite-(Ce).

Classification of Calkinsite-(Ce)

IMA status:Approved
Strunz 8th edition ID:5/D.03-10
Nickel-Strunz 10th (pending) edition ID:5.CC.25

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)
Dana 8th edition ID:15.4.1.1

15 : HYDRATED NORMAL CARBONATES
4 : AmBn(XO3)p·xH2O, with (m+n):p < 1:1
Hey's CIM Ref.:11.8.1

11 : Carbonates
8 : Carbonates of the rare earths
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Type Occurrence of Calkinsite-(Ce)

Type Locality:Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mts, Hill Co., Montana, USA

Physical Properties of Calkinsite-(Ce)

Colour:pale yellow
Hardness (Mohs):2½
Cleavage:Perfect

Crystallography of Calkinsite-(Ce)

Crystal System:Orthorhombic

Optical Data of Calkinsite-(Ce)

Type:Biaxial (-)
RI values: nα = 1.569 nβ = 1.657 nγ = 1.686
2V:Measured: 54° , Calculated: 56°
Maximum Birefringence:δ = 0.117

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v or r < v

Chemical Properties of Calkinsite-(Ce)

Formula:
(Ce,La)
 
2
[CO
 
3
]
 
3
 · 4H
 
2
O
Essential elements:C, Ce, H, O
All elements listed in formula:C, Ce, H, La, O

Relationship of Calkinsite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.CC.05Donnayite-(Y)
Sr
 
3
NaCaY(CO
 
3
)
 
6
·3H
 
2
O
5.CC.05Ewaldite
Ba(Ca,Y,Na,K)(CO
 
3
)
 
2
5.CC.05Mckelveyite-(Nd)
(Ba,Sr)(Nd,Ce,La)(CO
 
3
)
 
2
·4-10H
 
2
O
5.CC.05Mckelveyite-(Y)
Ba
 
3
Na(Ca,U)Y(CO
 
3
)
 
6
·3H
 
2
O
5.CC.05Weloganite
Sr
 
3
Na
 
2
Zr(CO
 
3
)
 
6
·3H
 
2
O
5.CC.10Tengerite-(Y)
Y
 
2
[CO
 
3
]
 
3
 · 2-3H
 
2
O
5.CC.15Kimuraite-(Y)
Ca(Y,Nd)
 
2
[CO
 
3
]
 
4
 · 6H
 
2
O
5.CC.15Lokkaite-(Y)
Ca(Y,Gd,Nd,Dy)
 
4
[CO
 
3
]
 
7
 · 9H
 
2
O
5.CC.20Shomiokite-(Y)
Na
 
3
Y[CO
 
3
]
 
3
 · 3H
 
2
O
5.CC.25Lanthanite-(Ce)
(Ce,La,Nd)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
5.CC.25Lanthanite-(La)
(La,Ce)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
5.CC.25Lanthanite-(Nd)
(Nd,La)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
5.CC.30Adamsite-(Y)
NaY[CO
 
3
]
 
2
 · 6H
 
2
O
5.CC.35Decrespignyite-(Y)
Cu(Y,REE)
 
4
(CO
 
3
)
 
4
Cl(OH)
 
5
·2H
 
2
O
5.CC.40Galgenbergite-(Ce)
Ca(Ce,La,Nd)
 
2
[CO
 
3
]
 
4
 · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
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
11.8.12Calcioancylite-(Nd)
(Nd,Ce)
 
3
Ca(CO
 
3
)
 
4
(OH)
 
3
·H
 
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 Information

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 Calkinsite-(Ce)

Reference List:American Mineralogist: 38: 1169-1183.

Internet Links for Calkinsite-(Ce)

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    Localities for Calkinsite-(Ce)

    Hide Locality List
    The 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.
    (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.
    Afghanistan
     
    • Helmand (Hilmend; Hilmand) Province
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Liberec Region
    		Scharm, B.: Přehled minerálů nalezených v oblasti uranových koncentrací v severočeské křídě. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 169-172.
    Italy
     
    • Tuscany
      • Grosseto Province
        • Montieri
    		Bazzoni C. et al., 2003. Il "Filone di Boccheggiano": miniere e minerali. Riv. Miner. Ital., 1: 78-89
    Japan
     
    • Shikoku Island
      • Kagawa Prefecture
    		Minakawa (1985) Chigaku Kenkyu, 36, 61-64.
    USA
     
    • Montana
      • Hill Co.
        • Bearpaw Mts
          • Big Sandy Creek
    		American Mineralogist: 38: 1169-1183.
    Mineral and/or Locality
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