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Nullaginite

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Lord Brassey Mine, Heazlewood district, Tasmania, Australia
© A. Godelitsas

Formula:
Ni
 
2
[(OH)
 
2
|CO
 
3
]
System:MonoclinicHardness:1½ - 2


Probably Rosasite Group (crystallographic data need reinvestigation).

Classification of Nullaginite

IMA status:Approved 1978
Strunz 8th edition ID:5/C.01-70
Nickel-Strunz 10th (pending) edition ID:5.BA.10

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
A : With Cu, Co, Ni, Zn, Mg, Mn
Dana 8th edition ID:16a.3.2.1

16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)2(XO3)Zq
Hey's CIM Ref.:11.14.3

11 : Carbonates
14 : Carbonates of Co and Ni
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Type Occurrence of Nullaginite

Type Locality:Otway Ni deposit, Nullagine, East Pilbara Shire, Pilbara Region, Western Australia, Australia
Year of Discovery:1981

Physical Properties of Nullaginite

Hardness (Mohs):1½ - 2

Crystallography of Nullaginite

Crystal System:Monoclinic
Cell Parameters:a = 9.26Å, b = 12Å, c = 3.09Å
β = 90.48°
Ratio:a:b:c = 0.772 : 1 : 0.258
Unit Cell Volume:V 343.35 ų (Calculated from Unit Cell)

Optical Data of Nullaginite

Type:Biaxial
RI values: nα = 1.670 nβ = 1.780 nγ = 1.780
Maximum Birefringence:δ = 0.110

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

Chemical Properties of Nullaginite

Formula:
Ni
 
2
[(OH)
 
2
|CO
 
3
]
Essential elements:C, H, Ni, O
All elements listed in formula:C, H, Ni, O

Relationship of Nullaginite to other Species

Related Minerals - Nickel-Strunz Grouping):
5.BA.05Azurite
Cu
 
3
[OH|CO
 
3
]
 
2
5.BA.10Georgeite
Cu
 
2
[(OH)
 
2
|CO
 
3
] · 6H
 
2
O
5.BA.10Glaukosphaerite
(Cu,Ni)
 
2
[(OH)
 
2
|CO
 
3
]
5.BA.10Kolwezite
(Cu,Co)
 
2
[(OH)
 
2
|CO
 
3
]
5.BA.10Malachite
Cu
 
2
[(OH)
 
2
|CO
 
3
]
5.BA.10Mcguinnessite
(Mg,Cu)
 
2
[(OH)
 
2
|CO
 
3
]
5.BA.10Pokrovskite
Mg
 
2
[(OH)
 
2
|CO
 
3
]
5.BA.10Rosasite
(Cu,Zn)
 
2
[(OH)
 
2
|CO
 
3
]
5.BA.10Zincrosasite
(Zn,Cu)
 
2
[(OH)
 
2
|CO
 
3
]
5.BA.10Chukanovite
Fe
2+
2
[(OH)
 
2
|CO
 
3
]
5.BA.15Aurichalcite
(Zn,Cu)
 
5
[(OH)
 
3
|CO
 
3
]
 
2
5.BA.15Hydrozincite
Zn
 
5
[(OH)
 
3
|CO
 
3
]
 
2
5.BA.20Holdawayite
Mn
 
6
(CO
 
3
)
 
2
(OH)
 
7
(Cl,OH)
5.BA.25Defernite
Ca
 
6
(CO
 
3
)
 
2-x
(SiO
 
4
)
 
x
(OH)
 
7
(Cl,OH)
 
1-2x
 (x=0.5)
5.BA.30Loseyite
(Zn,Mn
2+
 
)
 
7
[(OH)
 
5
|CO
 
3
]
 
2
5.BA.30Sclarite
(Zn,Mg,Mn
2+
 
)
 
4
Zn
 
3
[(OH)
 
5
|CO
 
3
]
 
2
Related Minerals - Hey's Index Grouping:
11.14.1Spherocobaltite
CoCO
 
3
11.14.2Kolwezite
(Cu,Co)
 
2
[(OH)
 
2
|CO
 
3
]
11.14.4Hellyerite
NiCO
 
3
·6H
 
2
O
11.14.5Otwayite
Ni
 
2
CO
 
3
(OH)
 
2
·H
 
2
O
11.14.6Zaratite
Ni
 
3
(CO
 
3
)(OH)
 
4
·4H
 
2
O
11.14.7Kambaldaite
NaNi
 
4
(CO
 
3
)
 
3
(OH)
 
3
·3H
 
2
O
11.14.8Glaukosphaerite
(Cu,Ni)
 
2
[(OH)
 
2
|CO
 
3
]
11.14.9Gaspéite
(Ni,Mg,Fe)CO
 
3
11.14.10Reevesite
Ni
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
11.14.11Comblainite
(Ni
 
x
,Co
 
1-x
)(OH)
 
2
(CO
 
3
)
 
(1-x)/2
·nH
 
2
O
11.14.12Szymańskiite
Hg
 
16
(Ni,Mg)
 
6
(CO
 
3
)
 
12
(OH)
 
12
(H
 
3
O)
 
8
·3H
 
2
O

Other Names for Nullaginite

Synonyms:
IMA1978-011
German names:
Nullaginit
Spanish names:
Nullaginita

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 Nullaginite

Reference List:American Mineralogist (1982): 67: 857-858.

Canadian Mineralogist (1981): 19: 315-324.

Internet Links for Nullaginite

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    Localities for Nullaginite

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    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.
    Australia
     
    • Tasmania
      • Heazlewood district
    • Western Australia
      • Pilbara Region
        • East Pilbara Shire
          • Nullagine
    		Nickel, E. H.; Hallbert, J. A.; Halligan, R. (1979): Unusual nickel mineralization at Nullagine, Western Australia. Journal of the Geological Society of Australia 26, 61-71. ; CM 1981, 315-24
      • Widgiemooltha
    		No reference listed
    Mineral and/or Locality
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