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Nickelbischofite

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Formula:
NiCl2 · 6H2O
Hardness:
Crystal System:
Monoclinic
Name:
The name reflects its composition as the nickel-dominant analogue of bischofite.
Deliquescent and soluble in water.


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Classification of NickelbischofiteHide

Approved
3.BB.20

3 : HALIDES
B : Simple halides, with H2O
B : M:X = 1:2
9.2.9.2

9 : NORMAL HALIDES
2 : AX2
8.11.9

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

Physical Properties of NickelbischofiteHide

Hardness:
1½ on Mohs scale

Optical Data of NickelbischofiteHide

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

Formula:
NiCl2 · 6H2O

Crystallography of NickelbischofiteHide

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

Type Occurrence of NickelbischofiteHide

Synonyms of NickelbischofiteHide

Other Language Names for NickelbischofiteHide

Related Minerals - Nickel-Strunz GroupingHide

3.BB.05EriochalciteCuCl2 · 2H2OOrth. mmm (2/m 2/m 2/m)
3.BB.10RokühniteFeCl2 · 2H2OMon.
3.BB.15BischofiteMgCl2 · 6H2OMon. 2/m : B2/m
3.BB.25SinjariteCaCl2 · 2H2OTet.
3.BB.30AntarcticiteCaCl2 · 6H2OTrig. 3 2 : P3 2 1
3.BB.35TachyhydriteCaMg2Cl6 · 12H2OTrig.

Related Minerals - Dana Grouping (8th Ed.)Hide

9.2.9.1BischofiteMgCl2 · 6H2OMon. 2/m : B2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.11.1MolysiteFeCl3Hex.
8.11.2HydromolysiteFeCl3 · 6H2O
8.11.3RokühniteFeCl2 · 2H2OMon.
8.11.4DouglasiteK2[Fe2+Cl4(OH2)2]Mon.
8.11.5ErythrosideriteK2[Fe3+Cl5(H2O)]Orth. mmm (2/m 2/m 2/m) : Pnma
8.11.6RinneiteK3Na[FeCl6]Trig. 3m (3 2/m) : R3c
8.11.7Kremersite(NH4,K)2[Fe3+Cl5(H2O)]Orth. mmm (2/m 2/m 2/m)
8.11.8IowaiteMg6Fe3+2(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m
8.11.10Lawrencite(Fe2+,Ni)Cl2Trig. 3m (3 2/m) : R3m

Other InformationHide

Special Storage/
Display Requirements:
Deliquescent and soluble in water.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for NickelbischofiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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., Jr., 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 NickelbischofiteHide

Localities for NickelbischofiteHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada (TL)
 
  • 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.
Germany
 
  • Saxony
    • Erzgebirge
      • Annaberg District
        • Annaberg-Buchholz
Steve Sorrell Collection
Russia
 
  • Ryazanskaya Oblast'
    • Kasimov District
Chukanov N V, Pekov I V, Levitskaya L A, Zadov A E (2009) Droninoite, Ni3Fe3+Cl(OH)8·2H2O, a new hydrotalcite-group mineral species from the weathered Dronino meteorite. Geology of Ore Deposits 51, 767-773
USA
 
  • Texas
    • Llano Co.
      • Oxford
R&M 66:3 pp 196-224; American Mineralogist, Volume 67, pages 156-169, 1982
Mineral and/or Locality  
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