Bunsenite Mineral Data + Say BUNSENITE


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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 Synonym: Synonym: ICSD 9866
  PDF 4-835
 

Bunsenite Image

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Bunsenite

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 - HexoctahedralH-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),
Click Here for Large Bunsenite Structure Window Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, rocksalt structure

 

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 Diaphaniety: Diaphaniety: 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
Help on Optical Data: Optical Data: Isotropic, n=2.23.
 

Calculated Properties of Bunsenite

Help on Electron Density: Electron Density:

relectron=6.56 gm/cc
note: rBunsenite =6.81 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00898
Boson Index = 0.99102
Help on Photoelectric: Photoelectric:

PEBunsenite = 31.62 barns/electron
U=PEBunsenite x relectron= 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: 4.2.1.2 (4)Simple Oxides
  (4.2)with a cation charge of 2+ (A++ O)
  (4.2.1)Periclase group (Isometric, Fm3m)
 
4.2.1.1 Periclase MgO F m3m 4/m 3 2/m
 
4.2.1.2 Bunsenite NiO F m3m 4/m 3 2/m
 
4.2.1.3 Manganosite MnO F m3m 4/m 3 2/m
 
4.2.1.4 Monteponite CdO F m3m 4/m 3 2/m
 
4.2.1.5 Lime CaO F m3m 4/m 3 2/m
 
4.2.1.6 Wustite FeO F m3m 4/m 3 2/m
 
4.2.1.7 Hongquiite* TiO F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: IV/A.04-30 IV - Oxides
  IV/A - Oxides with metal : oxygen = 1:1 and 2:1 (M2O,MO)
  IV/A.04 - Periclase Group, Periclase - Murdochite series
 
IV/A.04-10 Periclase MgO F m3m 4/m 3 2/m
 
IV/A.04-20 Wustite FeO F m3m 4/m 3 2/m
 
IV/A.04-30 Bunsenite NiO F m3m 4/m 3 2/m
 
IV/A.04-40 Manganosite MnO F m3m 4/m 3 2/m
 
IV/A.04-50 Monteponite CdO F m3m 4/m 3 2/m
 
IV/A.04-60 Lime CaO F m3m 4/m 3 2/m
 
IV/A.04-70 Murdochite PbCu6O8-x(Cl,Br)2x 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -University of Colorado - Mineral Structure Data 13 - WWW-MINCRYST 14 -École des Mines de Paris

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Bunsenite

NiO
Dana No: 4.2.1.2 Strunz No: IV/A.04-30
Locality:

 

Notes:

 

 
   
 
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