Mineralogy Database

Bunsenite Mineral Data

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General Bunsenite Information

Help on Chemical  Formula: Chemical Formula: NiO
Help on Composition: Composition: Molecular Weight = 74.69 gm
   Nickel  78.58 %  Ni  100.00 % NiO
   Oxygen  21.42 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NiO
Help on Environment: Environment: In a hydrothermal Ni-U vein.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1868
Help on Locality: Locality: At Johanngeorgenstadt, Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Professor Robert William Eberhard Bunsen (1811-1899), German chemist of the University of Heidelberg, Heidelberg, Germany, who had observed artificial NiO.
Help on Name Pronunciation: Name Pronunciation: Bunsenite + Pronunciation Say BUNSENITE
Help on Synonym: Synonym: ICSD 9866
  PDF 4-835

Bunsenite Image

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Comments: Greenish earthy bunsenite.
Location: Johanngeorgenstadt, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Bunsenite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 4.1768, Z = 4; V = 72.87 Den(Calc)= 6.81
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.088(1), 2.41(0.91), 1.476(0.57),

Physical Properties of Bunsenite

Help on Color: Color: Dark yellow green, Pistachio green.
Help on Density: Density: 6.4 - 6.8, Average = 6.6
Help on Diaphaneity: Diaphaneity: Translucent to opaque
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Adamantine
Help on Streak: Streak: brown black

Optical Properties of Bunsenite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.059 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.026 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1806,KPDmeas= 0.1864,KC= 0.176
Ncalc = 2.13 - 2.2
Help on Optical Data: Optical Data: Isotropic, n=2.23.

Calculated Properties of Bunsenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.56 gm/cc
note: Specific Gravity of Bunsenite =6.81 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0089822212
Boson Index = 0.9910177788
Help on Photoelectric: Photoelectric: PEBunsenite = 31.62 barns/electron
U=PEBunsenite x rElectron Density= 207.56 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bunsenite is Not Radioactive

Bunsenite Classification

Help on  Dana Class: Dana Class: (04)Simple Oxides
  (04.02)with a cation charge of 2+ (A++ O)
  (04.02.01)Periclase group (Isometric, Fm3m) Periclase MgO F m3m 4/m 3 2/m Bunsenite NiO F m3m 4/m 3 2/m Manganosite MnO F m3m 4/m 3 2/m Monteponite CdO F m3m 4/m 3 2/m Lime CaO F m3m 4/m 3 2/m Wustite FeO F m3m 4/m 3 2/m Hongquiite* TiO F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 04.AB.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.A - Metal:Oxygen = 2.1 and 1:1
  04.AB -M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only
04.AB.25 Bunsenite NiO F m3m 4/m 3 2/m
04.AB.25 Lime CaO F m3m 4/m 3 2/m
04.AB.25 Monteponite CdO F m3m 4/m 3 2/m
04.AB.25 Manganosite MnO F m3m 4/m 3 2/m
04.AB.25 Periclase MgO F m3m 4/m 3 2/m
04.AB.25 Wustite FeO F m3m 4/m 3 2/m

Other Bunsenite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Bunsenite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - University of Colorado - Mineral Structure Data

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Dana No: Strunz No: 04.AB.25





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