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Bunsenite

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Robert Wilhelm Eberhard Bunsen
Formula:
NiO
System:
Isometric
Colour:
Dark pistachio-green
Hardness:
Member of:
Name:
Named after Robert Wilhelm Eberhard Bunsen (1811-1899), Professor of Chemistry, Heidelberg
Periclase Group.

A rare nickel oxide.

Classification of Bunsenite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
4.AB.25

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
A : Metal: Oxygen = 2:1 and 1:1
B : M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only
4.2.1.2

4 : SIMPLE OXIDES
2 : AX
7.22.1

7 : Oxides and Hydroxides
22 : Oxides of Ni
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Type Occurrence of Bunsenite

Year of Discovery:
1858

Occurrences of Bunsenite

Geological Setting:
Hydrothermal vein, metamorphosed meteorite

Physical Properties of Bunsenite

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
Dark pistachio-green
Streak:
Brownish-black
Hardness (Mohs):
Density:
6.898 g/cm3 (Measured)    6.806 g/cm3 (Calculated)

Crystallography of Bunsenite

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Cell Parameters:
a = 4.1769Å
Unit Cell Volume:
V 72.87 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Octahedral, sometimes with modifying dodecahedron or cube.
Twinning:
Observed on natural crystals.
Comment:
synthetic

Optical Data of Bunsenite

Type:
Isotropic
RI values:
n = 2.37
Max Birefringence:
δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:
Very High

Chemical Properties of Bunsenite

Formula:
NiO
Essential elements:
All elements listed in formula:

Relationship of Bunsenite to other Species

Member of:
Other Members of Group:
4.AB.05CredneriteCuMnO2
4.AB.10TenoriteCuO
4.AB.15DelafossiteCuFeO2
4.AB.15McconnelliteCuCrO2
4.AB.20BromelliteBeO
4.AB.20Zincite(Zn,Mn2+,Fe2+)O
4.AB.25LimeCaO
4.AB.25ManganositeMnO
4.AB.25MonteponiteCdO
4.AB.25PericlaseMgO
4.AB.25WüstiteFeO
4.AB.30PalladinitePdO
7.22.3TheophrastiteNi(OH)2
7.22.4Jamborite(Ni2+1-x,Cox3+(OH)2-x(SO4)x·nH2O [x ≤ ⅓; n ≤ (1 - x)]
7.22.5TakoviteNi6Al2(OH)16[CO3] · 4H2O
7.22.6TrevoriteNi2+Fe23+O4
7.22.7Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4

Other Names for Bunsenite

Name in Other Languages:
German:Bunsenit
Simplified Chinese:绿镍矿
Spanish:Bunsenita
Traditional Chinese:綠鎳礦

Other Information

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 Bunsenite

Reference List:
Bergemann (1858), Journal pr. Chem.: 75: 243 (as nickeloxydul).

Bergemann (1859), Jb. Min.: 450 (as nickeloxydul).

Dana (1868): 135.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 500-501.

Bergemann, C. (1858): Ueber einige Nickelerze.- Journal für praktische Chemie [1] 75, 239-244

Internet Links for Bunsenite

Localities for Bunsenite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Germany
 
  • Saxony-Anhalt
    • Mansfeld Basin
      • Helbra
H. Knoll; Fundstellen im Mansfelder Land, Interessante Mineralien aus den Schlacken der Kupferschiefer-Verhüttung. MineralienWelt, Jg 19 (2008), Heft 1 (Jan-Feb), pag 36-47.
  • Saxony
    • Erzgebirge
      • Johanngeorgenstadt District
C. Bergemann (1858) Journal für praktische Chemie 75, 239-244
Thalheim, K. & Kaden, M. (2006): Die Sammlung Sachsen - Interessante Neubestimmungen. Pp. 154-155 in: Lange, J. M. & Kühne, E., Eds. (2006): Das Museum für Mineralogie und Geologie in den Staatlichen Naturhistorischen Sammlungen Dresden. Von der kurfürstlichen Kunstkammer zum staatlichen Forschungsmuseum. Museum für Mineralogie und Geologie, Staatliche Naturhistorische Sammlungen Dresden, Dresden, Germany, 200 pp.
        • Lauta
Hajek, W. (2010): Kristallwelten Marienberg. Weise Verlag, München.
Norway
 
  • Finnmark
    • Karasjok
J. Hysingjord (1978, letter 11/1)cited in Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68 p. 53.
Russia
 
  • Urals Region
    • Southern Urals
      • Orenburgskaya Oblast'
        • Aidyrlya River
Pavel M. Kartashov data
South Africa
 
  • Mpumalanga Province
    • Ehlanzeni District
      • Barberton
        • Bon Accord
Am. Min. 61, 502 (1976)
  • North West Province
    • Dr Ruth Segomotsi Mompati District
      • Vryburg
www.lpi.usra.edu/meetings/impacts97/pdf/6055.pdf.
Mineral and/or Locality  
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