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Nickelbischofite

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Formula:
NiCl
 
2
 · 6H
 
2
O
System:MonoclinicHardness:1½
Name:The name reflects its composition as the nickel-dominant analogue of bischofite.
This page provides mineralogical data about Nickelbischofite.

Classification of Nickelbischofite

IMA status:Approved
Strunz 8th edition ID:3/A.12-40
Nickel-Strunz 10th (pending) edition ID:3.BB.20

3 : HALIDES
B : Simple halides, with H2O
B : M:X = 1:2
Dana 8th edition ID:9.2.9.2

9 : NORMAL HALIDES
2 : AX2
Hey's CIM Ref.:8.11.9

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
11 : Halides of Fe and Ni
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Type Occurrence of Nickelbischofite

Type Locality:Projet Dumont, Launay, Abitibi RCM, Abitibi-Témiscamingue, Québec, Canada
Year of Discovery:1979

Physical Properties of Nickelbischofite

Hardness (Mohs):1½

Crystallography of Nickelbischofite

Crystal System:Monoclinic
Cell Parameters:a = 8.78Å, b = 7.07Å, c = 6.62Å
β = 97.21°
Ratio:a:b:c = 1.242 : 1 : 0.936
Unit Cell Volume:V 407.68 ų (Calculated from Unit Cell)

Optical Data of Nickelbischofite

Type:Biaxial (+)
RI values: nα = 1.589 nβ = 1.617 nγ = 1.644
2V:Measured: 87° , Calculated: 86°
Maximum Birefringence:δ = 0.055

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v distinct

Chemical Properties of Nickelbischofite

Formula:
NiCl
 
2
 · 6H
 
2
O
Essential elements:Cl, H, Ni, O
All elements listed in formula:Cl, H, Ni, O

Relationship of Nickelbischofite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.BB.05Eriochalcite
CuCl
 
2
 · 2H
 
2
O
3.BB.10Rokühnite
FeCl
 
2
 · 2H
 
2
O
3.BB.15Bischofite
MgCl
 
2
 · 6H
 
2
O
3.BB.25Sinjarite
CaCl
 
2
 · 2H
 
2
O
3.BB.30Antarcticite
CaCl
 
2
 · 6H
 
2
O
3.BB.35Tachyhydrite
CaMg
 
2
Cl
 
6
 · 12H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
8.11.1Molysite
FeCl
 
3
8.11.2Hydromolysite
FeCl
 
3
 · 6H
 
2
O
8.11.3Rokühnite
FeCl
 
2
 · 2H
 
2
O
8.11.4Douglasite
K
 
2
[Fe
2+
 
Cl
 
4
(OH
 
2
)
 
2
]
8.11.5Erythrosiderite
K
 
2
[Fe
3+
 
Cl
 
5
(OH
 
2
)]
8.11.6Rinneite
K
 
3
Na[FeCl
 
6
]
8.11.7Kremersite
(NH
 
4
,K)
 
2
[Fe
3+
 
Cl
 
5
(H
 
2
O)]
8.11.8Iowaite
Mg
 
6
Fe
3+
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
8.11.10Lawrencite
(Fe
2+
 
,Ni)Cl
 
2

Other Names for Nickelbischofite

Synonyms:
IMA1978-056
Other Languages:
German:Nickelbischofit
Spanish:Nickelbischofita

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 Nickelbischofite

Reference List:

- +
JAMBOR, J.L. (1975): Secondary minerals in an ultramafic intrusion, Amos area, Quebec. Geological Survey of Canada, Paper 75-1A, 261-263.
CROOK, W.W., III & JAMBOR, J.L. (1979): Nickelbischofite, a new nickel chloride hydrate. Canadian Mineralogist 17, 107-109. Abstracted: American Mineralogist (1980): 65: 207-208.
PEACOR, D.R., SIMMONS, W.B., ESSENE, E.J. & HEINRICH, E.W. (1982) New data on and discreditation of "texasite", "albrittonite","cuproartinite","cuprohydromagnesite", and "yttromicrolite", with corrected data on nickelbischofite, rowlandite, and yttrocrasite. American Mineralogist 67, 156-169.
Journal of Chemical Physics: 50: 4690-4696.

Internet Links for Nickelbischofite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Nickelbischofite details from Handbook of Mineralogy (PDF)
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    • Localities for Nickelbischofite

    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
     
    • Québec
      • Abitibi-Témiscamingue
        • Abitibi RCM
          • Launay
    		Crook III, W.W. & Jambor, J.L. (1979) Nickelbischofite, a new nickel chloride hydrate. Canadian Mineralogist 17, 107-109.
    USA
     
    • Texas
      • Llano Co.
        • Oxford
    		R&M 66:3 pp 196-224; American Mineralogist, Volume 67, pages 156-169, 1982
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