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Cerphosphorhuttonite

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Big Photo

Sörhällan quarry, Råneå, Norrbotten, Sweden
© Pavel M. Kartashov

Show Cerphosphorhuttonite Photos (3)



Formula:
(Ce,LREE)Th[PO
 
4
]SiO
 
4
Colour:light-yellow to ...Hardness:5 - 5½
Name:Named according to composition and similarity to huttonite.
A variety of Huttonite

Intermediate member of Monazite-(Ce) and Huttonite series of solid solutions with Th:LREE and Si:P ratios close to 1:1.

Classification of Cerphosphorhuttonite

Explanation of status:Described as individual mineral specie in 1955. Wasn't approved.
mindat.org URL:http://www.mindat.org/min-35958.html
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Physical Properties of Cerphosphorhuttonite

Lustre:Waxy
Colour:light-yellow to redish-brown
Streak:white
Hardness (Mohs):5 - 5½
Cleavage:None Observed
Fracture:Conchoidal
Density (measured):5.06 g/cm3

Chemical Properties of Cerphosphorhuttonite

Formula:
(Ce,LREE)Th[PO
 
4
]SiO
 
4
All elements listed in formula:Ce, O, P, Si, Th
Analytical Data:in the type material Th:REE is 0.51:0.41 and Si:P is 0.55:0.46
P^2O^5 (10.00)
SiO^2 (10.05)
ThO^2 (40.56)
U^3O^8 (1.63)
Fe^2O^3 (3.35)
LREE^2O^3 (24.66)
CaO (0.67)
PbO (0.34)
CO^2 (1.59)
F (0.67)
H^2O+ (4.43)
H^2O- (2.03)
Sum 99.98
from Southern Siberia
Empirical Formula:
(Th
 
0.54
Ce
 
0.16
Nd
 
0.08
Ca
 
0.07
Pr
 
0.04
La
 
0.04
Gd
 
0.03
Sm
 
0.02
Ca
 
0.02
)
 
1.00
[(Si
 
0.56
P
 
0.42
As
 
0.02
)
 
1.00
O
 
4.00
] from Sörhällan
Common Impurities:Ca,Pb,U

Other Information

Health Warning:Radioactive

References for Cerphosphorhuttonite

Reference List:

- +
Pavlenko A.S., Orlova L.P., Akhmanova M.V. (1965) Trudy Mineralogicheskogo Muzeya, 16, p. 166 (in Rus.)

Internet Links for Cerphosphorhuttonite

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    • Localities for Cerphosphorhuttonite

    Hide Locality List
    (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.
    Finland
     
    • Etelä-Suomen Lääni
      • Forssa
    		Pavel M. Kartashov analytical data, Ilkka Mikkola specimen
    Sweden
     
    • Norrbotten
      • Råneå
    		P.M. Kartashov analytical data
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