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Carrboydite

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Formula:
[(Ni
 
1-x
Al
 
x
)(OH)
 
2
][SO
 
4
]
 
x/2
· nH
 
2
O
(x<0.5, n>3x/2)
System:HexagonalColour:Yellowish-green, ...
Member of:Glaucocerinite Group > Hydrotalcite Supergroup


As part of the recent re-evaluation of the nomenclature of the hydrotalcite supergroup (Mills et al., 2012), carrboydite was identified as a questionable species which needs further investigation.

Classification of Carrboydite

IMA status:Questionable/Doubtful 2012
Strunz 8th edition ID:6/D.08-90
Nickel-Strunz 10th (pending) edition ID:7.DD.35

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
Dana 8th edition ID:31.10.1.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
Hey's CIM Ref.:12.2.22

12 : Carbonates with other anions
2 : Carbonates with sulphate
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Type Occurrence of Carrboydite

Type Locality:Carr Boyd Rocks Ni mine (Carr Boyd Ni mine), Menangina Station, Menzies Shire, Western Australia, Australia
Year of Discovery:1974

Physical Properties of Carrboydite

Colour:Yellowish-green, blue-green

Crystallography of Carrboydite

Crystal System:Hexagonal
Cell Parameters:a = 9.14Å, c = 10.34Å
Ratio:a:c = 1 : 1.131
Unit Cell Volume:V 748.07 ų (Calculated from Unit Cell)

Optical Data of Carrboydite

Type:Uniaxial (-)
RI values: nω = 1.560 nε = 1.540
Maximum Birefringence:δ = 0.020

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

Chemical Properties of Carrboydite

Formula:
[(Ni
 
1-x
Al
 
x
)(OH)
 
2
][SO
 
4
]
 
x/2
· nH
 
2
O


(x<0.5, n>3x/2)
Simplified for copy/paste:[(Ni1-xAlx)(OH)2][SO4]x/2·nH2O
Essential elements:Al, H, Ni, O, S
All elements listed in formula:Al, H, Ni, O, S

Relationship of Carrboydite to other Species

Member of:Glaucocerinite Group > Hydrotalcite Supergroup
Other Members of Group:

- +
Glaucocerinite
(Zn
 
1-x
Al
 
x
)(OH)
 
2
(SO
 
4
)
 
x/2
· nH
 
2
O
Hydrohonessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
· nH
 
2
O
Mountkeithite
[(Mg
 
1-x
Fe
3+
x
)(OH)
 
2
][SO
 
4
]
 
x/2
· nH
 
2
O
Zincaluminite
Zn
 
6
Al
 
6
(SO
 
4
)
 
2
(OH)
 
16
· 5H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
7.DD.05Felsőbányaite
Al
 
4
(SO
 
4
)(OH)
 
10
· 4H
 
2
O
7.DD.10Langite
Cu
 
4
(SO
 
4
)(OH)
 
6
· 2H
 
2
O
7.DD.10Posnjakite
Cu
 
4
(SO
 
4
)(OH)
 
6
· H
 
2
O
7.DD.10Wroewolfeite
Cu
 
4
(SO
 
4
)(OH)
 
6
· 2H
 
2
O
7.DD.15Spangolite
Cu
 
6
Al(SO
 
4
)(OH)
 
12
Cl · 3H
 
2
O
7.DD.20Ktenasite
Zn(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 6H
 
2
O
7.DD.25Christelite
Cu
 
2
Zn
 
3
(SO
 
4
)
 
2
(OH)
 
6
· 4H
 
2
O
7.DD.30Campigliaite
Mn
2+
 
Cu
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 4H
 
2
O
7.DD.30Devilline
CaCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 3H
 
2
O
7.DD.30Orthoserpierite
Ca(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 3H
 
2
O
7.DD.30Serpierite
Ca(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 3H
 
2
O
7.DD.30Niedermayrite
CdCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 4H
 
2
O
7.DD.30Edwardsite
Cu
 
3
Cd
 
2
(SO
 
4
)
 
2
(OH)
 
6
·4H
 
2
O
7.DD.35Glaucocerinite
(Zn
 
1-x
Al
 
x
)(OH)
 
2
(SO
 
4
)
 
x/2
· nH
 
2
O
7.DD.35Honessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
· nH
 
2
O
7.DD.35Hydrohonessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
· nH
 
2
O
7.DD.35Motukoreaite
Mg
 
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
· 6H
 
2
O
7.DD.35Mountkeithite
[(Mg
 
1-x
Fe
3+
x
)(OH)
 
2
][SO
 
4
]
 
x/2
· nH
 
2
O
7.DD.35Shigaite
Mn
 
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
· 6H
 
2
O
7.DD.35Wermlandite
Mg
 
7
Al
 
2
(OH)
 
18
[Ca(H
 
2
O)
 
6
][SO
 
4
]
 
2
· 6H
 
2
O
7.DD.35Woodwardite
Cu
 
1-x
Al
 
x
(OH)
 
2
[SO
 
4
]
 
x/2
· nH
 
2
O
7.DD.35Zincaluminite
Zn
 
6
Al
 
6
(SO
 
4
)
 
2
(OH)
 
16
· 5H
 
2
O
7.DD.35Hydrowoodwardite
(Cu
 
1-x
Al
 
x
)(OH)
 
2
[SO
 
4
]
 
x/2
· nH
 
2
O
7.DD.35Zincowoodwardite
Zn
 
1-x
Al
 
x
(OH)
 
2
[SO
 
4
]
 
x/2
· nH
 
2
O
7.DD.35Natroglaucocerinite
Na
 
x
Zn
 
8-y
Al
 
y
(SO
 
4
)
 
(x+y)/2
(OH)
 
16
· 6H
 
2
O
7.DD.35Nikischerite
Fe
2+
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
· 6H
 
2
O
7.DD.40Lawsonbauerite
(Mn
2+
 
,Mg)
 
9
Zn
 
4
(SO
 
4
)
 
2
(OH)
 
22
· 8H
 
2
O
7.DD.40Torreyite
(Mg,Mn
2+
 
)
 
7
 
2
Mn
2+
2
Zn
 
4
(SO
 
4
)
 
2
(OH)
 
22
· 8H
 
2
O
7.DD.45Mooreite
Mg
 
9
 
2
Mn
 
2
Zn
 
4
(SO
 
4
)
 
2
(OH)
 
26
· 8H
 
2
O
7.DD.50Namuwite
(Zn,Cu)
 
4
(SO
 
4
)(OH)
 
6
· 4H
 
2
O
7.DD.55Bechererite
(Zn,Cu)
 
6
Zn
 
2
(SO
 
4
,HSiO
 
4
)
 
2
(OH)
 
12
7.DD.60Ramsbeckite
(Cu,Zn)
 
15
(SO
 
4
)
 
4
(OH)
 
22
· 6H
 
2
O
7.DD.65Vonbezingite
Ca
 
6
Cu
 
3
(SO
 
4
)
 
3
(OH)
 
12
· 2H
 
2
O
7.DD.70Redgillite
Cu
 
6
(SO
 
4
)(OH)
 
10
· H
 
2
O
7.DD.75Chalcoalumite
CuAl
 
4
(SO
 
4
)(OH)
 
12
· 3H
 
2
O
7.DD.75Nickelalumite
(Ni,Cu)Al
 
4
(SO
 
4
,(NO
 
3
)
 
2
)(OH)
 
12
· 3H
 
2
O
7.DD.75Kyrgyzstanite
ZnAl
 
4
(SO
 
4
)(OH)
 
12
·3H
 
2
O
7.DD.80Guarinoite
(Zn,Co,Ni)
 
6
(SO
 
4
)(OH,Cl)
 
10
· 5H
 
2
O
7.DD.80Schulenbergite
(Cu,Zn)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
· 3H
 
2
O
7.DD.80Thérèsemagnanite
(Co,Zn,Ni)
 
6
(SO
 
4
)(OH,Cl)
 
10
· 8H
 
2
O
7.DD.80UM1992-30-SO:CCuHZn
(Zn,Cu)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
· 3H
 
2
O
7.DD.85Montetrisaite
Cu
 
6
(SO
 
4
)(OH)
 
10
· 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
12.2.1Burkeite
Na
 
6
(CO
 
3
)(SO
 
4
)
 
2
12.2.2Hanksite
Na
 
22
K(SO
 
4
)
 
9
(CO
 
3
)
 
2
Cl
12.2.3Tychite
Na
 
6
Mg
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.4Motukoreaite
Mg
 
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
· 6H
 
2
O
12.2.5Ferrotychite
Na
 
6
(Fe,Mn,Mg)
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.6Nakauriite
Cu
 
8
(SO
 
4
)
 
4
(CO
 
3
)(OH)
 
6
· 48H
 
2
O
12.2.7Carbonatecyanotrichite
Cu
 
4
Al
 
2
(CO
 
3
,SO
 
4
)(OH)
 
12
· 2H
 
2
O
12.2.8Rapidcreekite
Ca
 
2
(SO
 
4
)(CO
 
3
) · 4H
 
2
O
12.2.9Tatarskite
Ca
 
6
Mg
 
2
(SO
 
4
)
 
2
(CO
 
3
)
 
2
(OH)
 
4
Cl
 
4
· 7H
 
2
O
12.2.10Schulenbergite
(Cu,Zn)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
· 3H
 
2
O
12.2.11Leadhillite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
12.2.12Macphersonite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
12.2.13Susannite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
12.2.14Wherryite
Pb
 
7
Cu
 
2
(SO
 
4
)
 
4
(SiO
 
4
)
 
2
(OH)
 
2
12.2.15Caledonite
Pb
 
5
Cu
 
2
(SO
 
4
)
 
3
(CO
 
3
)(OH)
 
6
12.2.16Nasledovite
PbMn
 
3
Al
 
4
(CO
 
3
)
 
4
(SO
 
4
)O
 
5
· 5H
 
2
O
12.2.17Jouravskite
Ca
 
3
Mn
4+
 
(SO
 
4
}(CO
 
3
)(OH)
 
6
· 12H
 
2
O
12.2.18Schröckingerite
NaCa
 
3
(UO
 
2
)(CO
 
3
)
 
3
(SO
 
4
)F · 10H
 
2
O
12.2.19Manganotychite
Na
 
6
Mn
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.20Hauckite
Fe
3+
3
(Mg,Mn
2+
 
)
 
24
Zn
 
18
(SO
 
4
)
 
4
(CO
 
3
)
 
2
(OH)
 
81
12.2.21Paraotwayite
Ni(OH)
 
2-x
(SO
 
4
,CO
 
3
)
 
0.5x
12.2.23Mountkeithite
[(Mg
 
1-x
Fe
3+
x
)(OH)
 
2
][SO
 
4
]
 
x/2
· nH
 
2
O
12.2.24Camerolaite
Cu
 
4
Al
 
2
(HSbO
 
4
,SO
 
4
)(CO
 
3
)(OH)
 
10
· 2H
 
2
O

Other Names for Carrboydite

Synonyms:
IMA1974-033
Other Languages:
German:Carrboydit
Spanish:Carrboydita

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 Carrboydite

Reference List:

- +
American Mineralogist: 61: 366-372.

Mineralogical Magazine: 44: 333-337.

Mills, S.J., Christy, A.G., Genin, J.-M.R., Kameda, T., Colombo, F. (2012): Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76, 1289-1336.

Internet Links for Carrboydite

Search Engines:
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  • External Links:
  • Carrboydite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Rare and Unusual minerals at Mineralogical Research Company
  • Wilensky Fine Minerals
  • Buy from Dave Bunk Minerals
  • Fabre Minerals - search for Carrboydite specimens
  • Buy minerals from YourMineralCollection
  • rare and unusual minerals mainly crystallized
  • Find Carrboydite on www.crystalclassics.co.uk
  • Buy from David K Joyce minerals
  • SpiriferMinerals.com - high quality low prices
  • Fine and rare minerals from mintreasure.com
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Localities for Carrboydite

    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.
    Australia
     
    • Western Australia
      • Coolgardie Shire
        • Widgiemooltha
    [MinRec 25:287]
      • Menzies Shire
        • Menangina Station
    CSIRO Min.Res.Lab.,Austr.1974/75 (1975) 12; Amer.Min.(1976) 61, 366-372; Min Mag (1979) 43, 97-98
    Portugal
     
    • Aveiro District
      • Albergaria-a-Velha
        • Branca
    Antonio Jesus Pimentel specimens; www.mindat.org/mesg-25-107652.html
    Mineral and/or Locality  
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