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Hydroxycalciopyrochlore

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Big Photo

Mann 2 (Ten Mile Lake), Seal Lake alkaline complex (Letitia Lake), Labrador, Newfoundland and Labrador, Canada
© Pavel M. Kartashov




Formula:
(Ca,Na,U,□)
 
2
(Nb,Ti)
 
2
O
 
6
(OH)
System:Isometric
Member of:Pyrochlore Group > Pyrochlore Supergroup
This page provides mineralogical data about Hydroxycalciopyrochlore.

Classification of Hydroxycalciopyrochlore

IMA status:Approved 2011
mindat.org URL:http://www.mindat.org/min-40340.html
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Type Occurrence of Hydroxycalciopyrochlore

Type Locality:Maoniuping Mine, Mianning Co., Liangshan Autonomous Prefecture, Sichuan Province, China
Place of Conservation of Type Material:China University of Geosciences, Beijng,China, catalogue number M595-22

Crystallography of Hydroxycalciopyrochlore

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Fd3m {F41/d 3 2/m}
Cell Parameters:a = 10.381(4) Å
Unit Cell Volume:V 1,118.71 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
2.966(100)
2.569(18)
1.814(34)
1.546(21)
1.480(5)
1.282(5)
1.178(5)
1.148(4)

Chemical Properties of Hydroxycalciopyrochlore

Formula:
(Ca,Na,U,□)
 
2
(Nb,Ti)
 
2
O
 
6
(OH)
Essential elements:Ca, H, Nb, O
All elements listed in formula:Ca, H, Na, Nb, O, Ti, U

Relationship of Hydroxycalciopyrochlore to other Species

Member of:Pyrochlore Group > Pyrochlore Supergroup
Other Members of Group:

- +
Fluorcalciopyrochlore
(Ca,Na,□)
 
2
Nb
 
2
(O,OH)
 
6
(F,OH)
Fluorkenopyrochlore
(□,Sr,Ce,Ca,Na)
 
2
(Nb,Ti)
 
2
O
 
6
F
Fluornatropyrochlore
(Na,REE,Ca)
 
2
Nb
 
2
(O,OH)
 
6
F
Fluorplumbopyrochlore
(Pb,Y,Th,U,Na,Ca)
 
2-x
(Nb,Ti)
 
2
O
 
6
F
Fluorstrontiopyrochlore
(Sr,□)
 
2
Nb
 
2
(O,OH)
 
6
F
Hydropyrochlore
(H
 
2
O,□)
 
2
Nb
 
2
(O,OH)
 
6
(H
 
2
O)
Hydroxymanganopyrochlore
(Mn,Th,Na,Ca,REE)
 
2
(Nb,Ti)
 
2
O
 
6
(OH)
Hydroxyplumbopyrochlore
(Pb,Ca)
 
2-x
(Nb,Ti,Ta)
 
2
O
 
6
(OH)
Kenoplumbopyrochlore
(Pb,□)Nb
 
2
O
 
6
(□,O)
Oxycalciopyrochlore
Ca
 
2
Nb
 
2
O
 
6
O
Oxynatropyrochlore
(Na,Ca,U)
 
2
Nb
 
2
O
 
6
(O,OH)
Oxyplumbopyrochlore
Pb
 
2
Nb
 
2
O
 
6
O
Oxyyttropyrochlore-(Y)
(Y,◻)
 
2
Nb
 
2
O
 
6
O

Other Names for Hydroxycalciopyrochlore

Synonyms:
IMA2011-026
Other Languages:

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 Hydroxycalciopyrochlore

Reference List:

- +
Yang, G., Li, G., Xiong, M., Pan, B. and Yan, C. (2011): Hydroxycalciopyrochlore, IMA 2011-026. CNMNC Newsletter no. 10, October 2011, page 2554

Internet Links for Hydroxycalciopyrochlore

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    • Localities for Hydroxycalciopyrochlore

    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.
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    (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.
    Canada
     
    • Newfoundland and Labrador
      • Labrador
        • Seal Lake alkaline complex (Letitia Lake)
    		Pavel M. Kartashov analytical data (2013)
    China
     
    • Sichuan Province
      • Liangshan Autonomous Prefecture
    		Guangming Yang and Chunjie Yan (1991): Journal of Mineralogy and Petrology 12(1), 9-13
    Yang, G., Li, G., Xiong, M., Pan, B. and Yan, C. (2011): Hydroxycalciopyrochlore, IMA 2011-026. CNMNC Newsletter no. 10, October 2011, page 2554
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