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Bunsenite

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Lavrion (Laurion; Laurium), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
© C.Boutry

Show Bunsenite Photos (3)
Formula:
NiO
System:IsometricColour:Dark pistachio-green
Hardness:5½
Name:Named after Robert Wilhelm Eberhard Bunsen (1811-1899), Professor of Chemistry, Heidelberg


Periclase Group.

A rare nickel oxide.

Classification of Bunsenite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/A.04-30
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:4.2.1.2

4 : SIMPLE OXIDES
2 : AX
Hey's CIM Ref.:7.22.1

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

Type Locality:Johanngeorgenstadt, Erzgebirge, Saxony, Germany
Year of Discovery:1858

Physical Properties of Bunsenite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Dark pistachio-green
Streak:Brownish-black
Hardness (Mohs):5½
Density (measured):6.898 g/cm3
Density (calculated):6.7 g/cm3

Crystallography of Bunsenite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Fm3m (F4/m 3 2/m)
Cell Parameters:a = 4.17Å
Unit Cell Volume:V 72.51 ų (Calculated from Unit Cell)
Morphology:Octahedral, sometimes with modifying dodecahedron or cube.
Twinning:Observed on natural crystals.

Optical Data of Bunsenite

Type:Isotropic

Chemical Properties of Bunsenite

Formula:
NiO
Essential elements:Ni, O
All elements listed in formula:Ni, O

Relationship of Bunsenite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.AB.05Crednerite
CuMnO
 
2
4.AB.10Tenorite
CuO
4.AB.15Delafossite
CuFeO
 
2
4.AB.15Mcconnellite
CuCrO
 
2
4.AB.20Bromellite
BeO
4.AB.20Zincite
(Zn,Mn
2+
 
,Fe
2+
 
)O
4.AB.25Lime
CaO
4.AB.25Manganosite
MnO
4.AB.25Monteponite
CdO
4.AB.25Periclase
MgO
4.AB.25Wüstite
FeO
4.AB.30Palladinite
PdO
Related Minerals - Hey's Index Grouping:
7.22.3Theophrastite
Ni(OH)
 
2
7.22.4Jamborite
(Ni
2+
 
,Ni
3+
 
,Co,Fe)(OH)
 
2
(OH,S,H
 
2
O)
7.22.5Takovite
Ni
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
7.22.6Trevorite
Ni
2+
 
Fe
3+
2
O
 
4
7.22.7Nichromite
(Ni,Co,Fe)(Cr,Fe,Al)
 
2
O
 
4

Other Names for Bunsenite

Synonyms:
Nickeloxydul
German names:
Bunsenit
Russian names:
Бунзенит
Spanish names:
Bunsenita

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 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

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  • Raman and XRD data at RRUFF project
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    Localities for Bunsenite

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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.
    Germany
     
    • Saxony
      • Erzgebirge
    		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.
    Norway
     
    • Finnmark
      • Karasjok (Kárásjohka)
    		J. Hysingjord (1978, letter 11/1); Neumann (1985, p. 53).
    South Africa
     
    • Mpumalanga Province
      • Barberton District
        • Bon Accord
    		Am. Min. 61, 502 (1976)
    • Northwest Province
    		www.lpi.usra.edu/meetings/impacts97/pdf/6055.pdf.
    Mineral and/or Locality
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