Bunsenite Mineral Data

General Bunsenite Information

Chemical Formula:

NiO

Composition:

Molecular Weight = 74.69 gm

Nickel 78.58 % Ni 100.00 % NiO

Oxygen 21.42 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NiO

Environment:

In a hydrothermal Ni-U vein.

IMA Status:

Valid Species (Pre-IMA) 1868

Locality:

At Johanngeorgenstadt, Saxony, Germany. Link to MinDat.org Location Data.

Name Origin:

For Professor Robert William Eberhard Bunsen (1811-1899), German chemist of the University of Heidelberg, Heidelberg, Germany, who had observed artificial NiO.

Name Pronunciation:

Bunsenite + Pronunciation

Synonym:

ICSD 9866

PDF 4-835

Bunsenite Image

Images:

Bunsenite

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

Bunsenite Crystallography

Cell Dimensions:

a = 4.1768, Z = 4; V = 72.87 Den(Calc)= 6.81

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/I_o): 2.088(1), 2.41(0.91), 1.476(0.57),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

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

Color:

Dark yellow green, Pistachio green.

Density:

6.4 - 6.8, Average = 6.6

Diaphaneity:

Translucent to opaque

Habit:

Crystalline - Fine - Occurs as well-formed fine sized crystals.

Hardness:

5.5 - Knife Blade

Luster:

Adamantine

Streak:

brown black

Optical Properties of Bunsenite

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

Optical Data:

Isotropic, n=2.23.

Calculated Properties of Bunsenite

Electron Density:

Bulk Density (Electron Density)=6.56 gm/cc
note: Specific Gravity of Bunsenite =6.81 gm/cc.

Fermion Index:

Fermion Index = 0.0089822212
Boson Index = 0.9910177788

Photoelectric:

PE_Bunsenite= 31.62 barns/electron
U=PE_Bunsenite x rElectron Density= 207.56 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bunsenite is Not Radioactive

Bunsenite Classification

Dana Class:

04.02.01.02 (04)Simple Oxides

(04.02)with a cation charge of 2+ (A++ O)

(04.02.01)Periclase group (Isometric, Fm3m)

04.02.01.01 Periclase MgO F m3m 4/m 3 2/m

04.02.01.02 Bunsenite NiO F m3m 4/m 3 2/m

04.02.01.03 Manganosite MnO F m3m 4/m 3 2/m

04.02.01.04 Monteponite CdO F m3m 4/m 3 2/m

04.02.01.05 Lime CaO F m3m 4/m 3 2/m

04.02.01.06 Wustite FeO F m3m 4/m 3 2/m

04.02.01.07 Hongquiite* TiO F m3m 4/m 3 2/m

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

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)

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
16 - WWW-MINCRYST

Search for Bunsenite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Bunsenite :

A Bijoux Google Search for Bunsenite
Adam's Minerals Google Search for Bunsenite
Cape Minerals Google Search for Bunsenite
Dakota Matrix Minerals Google Search for Bunsenite
Excalibur Mineral Corp. Google Search for Bunsenite
Exceptional Minerals Google Search for Bunsenite
John Betts Fine Minerals Search for Bunsenite
McDougall Minerals Google Search for Bunsenite
Mineral News Website Link
Rock and Mineral Shows Google Search for Bunsenite
Weinrich Minerals, Inc. Google Search for Bunsenite

Ask about Bunsenite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Bunsenite Specimen Label here :

Bunsenite

NiO
Dana No: 04.02.01.02 Strunz No: 04.AB.25
Locality:

Notes: