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Braithwaiteite

Formula:
NaCu
 
5
(TiSb)
 
2
O
 
2
(AsO
 
4
)[AsO
 
3
(OH)]
 
2
 ·8H
 
2
O
System:TriclinicColour:blue
Name:
Named in honour of R. S. W. Braithwaite, a British mineral spectroscopist and professor at the University of Manchester, United Kingdom.


New structure type.

Classification of Braithwaiteite

IMA status:Approved 2006
Nickel-Strunz 10th (pending) edition ID:8.DB.75

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
B : With only medium-sized cations, (OH, etc.):RO4< 1:1
Dana 8th edition ID:39.3.16.

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
3 : Miscellaneous
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Type Occurrence of Braithwaiteite

Type Locality:Laurani Mine, Laurani District, Aroma Province, La Paz Department, Bolivia

Physical Properties of Braithwaiteite

Colour:blue

Crystallography of Braithwaiteite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 7.0308Å, b = 9.8823Å, c = 10.6754Å
α = 106.973°, β = 104.274°, γ = 93.839°
Ratio:a:b:c = 0.711 : 1 : 1.08
Unit Cell Volume:V 679.76 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
9.825 (100)
5.887 (50)
4.635 (30)
3.354 (30)
3.232 (30)
2.947 (60)
2.736 (30)

Chemical Properties of Braithwaiteite

Formula:
NaCu
 
5
(TiSb)
 
2
O
 
2
(AsO
 
4
)[AsO
 
3
(OH)]
 
2
 ·8H
 
2
O
Essential elements:As, Cu, H, Na, O, Sb, Ti
All elements listed in formula:As, Cu, H, Na, O, Sb, Ti

Relationship of Braithwaiteite to other Species

Common Associates:
QuartzPyriteOligoclaseLavendulanLammerite
EnargiteCovelliteChlorite GroupAnataseAlbite
Related Minerals - Nickel-Strunz Grouping):

- +
8.DB.05Diadochite
Fe
3+
2
(PO
 
4
)(SO
 
4
)(OH)·5H
 
2
O
8.DB.05Pitticite
[Fe, SO
 
4
, AsO
 
4
, H
 
2
O] ?
8.DB.05Destinezite
Fe
3+
2
[OH|SO
 
4
|PO
 
4
]·6H
 
2
O
8.DB.10Vashegyite
Al
 
11
[(OH)
 
6
|(PO
 
4
)
 
9
] · 38H
 
2
O
8.DB.15Schoonerite
ZnMn
2+
 
Fe
2+
2
Fe
3+
 
(PO
 
4
)
 
3
(OH)
 
2
 · 9H
 
2
O
8.DB.20Sinkankasite
H
 
2
Mn
2+
 
Al[OH|(PO
 
4
)
 
2
] · 6H
 
2
O
8.DB.25Mitryaevaite
Al
 
6
(PO
 
4
)[(P,S)O
 
3
(OH,O)]
 
2
F
 
2
(OH)
 
2
(H
 
2
O)
 
8
· 6.5H
 
2
O
8.DB.30Sanjuanite
Al
 
2
[OH|SO
 
4
|PO
 
4
] · 9H
 
2
O
8.DB.35Sarmientite
Fe
3+
2
[OH|SO
 
4
|AsO
 
4
] · 5H
 
2
O
8.DB.40Bukovskýite
Fe
3+
2
[OH|SO
 
4
|AsO
 
4
] · 7H
 
2
O
8.DB.45Zýkaite
Fe
3+
4
[OH|SO
 
4
|(AsO
 
4
)
 
3
] · 15H
 
2
O
8.DB.50Giniite
Fe
2+
 
Fe
3+
4
[(OH)
 
5
|(PO
 
4
)
 
3
] · 2H
 
2
O
8.DB.55Sasaite
(Al,Fe
3+
 
)
 
14
[(OH)
 
7
|SO
 
4
|(PO
 
4
)
 
11
] · 83H
 
2
O
8.DB.60Mcauslanite
HFe
2+
3
Al
 
2
[F|(PO
 
4
)
 
4
] · 18H
 
2
O
8.DB.65Goldquarryite
CuCd
 
2
Al
 
3
(PO
 
4
)
 
4
F
 
2
(H
 
2
O)
 
10
(H
 
2
O,F)
 
2
8.DB.70Birchite
Cd
 
2
Cu
 
2
(PO
 
4
)
 
2
(SO
 
4
)·5H
 
2
O

Other Names for Braithwaiteite

Synonyms:
IMA 2006-050
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 Braithwaiteite

Reference List:Hawthorne, F.C., Cooper, M.A. & Paar, W.H. (2008): The crystal structure of braithwaiteite. Journal of Coordination Chemistry 61, 15-29.

Paar, W.H., Cooper, M.A., Hawthorne, F.C., Moffatt, E., Gunther, M.E., Roberts, A.C., Dunn, P.J. (2009): Braithwaiteite, NaCu5(TiSb)2O2(AsO4)[AsO3(OH)]2 ·8H2O, a new mineral species from Laurani, Bolivia. Canadian Mineralogist, 47, 947-952.

Internet Links for Braithwaiteite

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    Localities for Braithwaiteite

    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.
    Bolivia
     
    • La Paz Department
      • Aroma Province
        • Laurani District
    		Canadian Mineralogist 47,947(2009)
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 2nd Nov 2009 02:05:40