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Nullaginite Mineral Data

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General Nullaginite Information

Help on Chemical  Formula: Chemical Formula: Ni2(CO3)(OH)2
Help on Composition: Composition: Molecular Weight = 211.40 gm
   Nickel    55.52 %  Ni   70.66 % NiO
   Hydrogen   0.95 %  H     8.52 % H2O
   Carbon     5.68 %  C    20.82 % CO2
   Oxygen    37.84 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni2(CO3)(OH)2
Help on Environment: Environment: Secondary mineral in serpentinized peridotites.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Otway Belt, Nullagine district, WA, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Nullaginite + Pronunciation Say NULLAGINITE

Nullaginite Image

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Comments: BSE image of a nullaginite nodule in a polished section. (CanMin, v19:315).
Location: Otwav deposit, Nullagine district, Western Australia.. Scale: See Image.
© Canadian Mineralogist

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Comments: Green encrustations of nullaginite on matrix.
Location: Widgiemooltha, Western Australia, Australia. Scale: Sample size: 2 x 2 x 1 cm.
© Tom Loomis / Dakota Matrix

Nullaginite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7696:1:0.2575
Help on Cell Dimensions: Cell Dimensions: a = 9.236, b = 12.001, c = 3.091, Z = 4; beta = 90.48° V = 342.60 Den(Calc)= 4.10
Help on Crystal System: Crystal System: Monoclinic Space Group: P 21/m,P 21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.579(1), 2.557(0.9), 4.619(0.4),

Physical Properties of Nullaginite

Help on Color: Color: Bright green, Dark green.
Help on Density: Density: 3.56
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luster: Luster: Silky

Optical Properties of Nullaginite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.058 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.081 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1813,KPDmeas= 0.2088,KC= 0.1973
Ncalc = 1.7 - 1.81
Help on Optical Data: Optical Data: Biaxial (?), a=1.67, b=1.78, g=1.78, bire=0.1100

Calculated Properties of Nullaginite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.50 gm/cc
note: Specific Gravity of Nullaginite =3.56 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0070822538
Boson Index = 0.9929177462
Help on Photoelectric: Photoelectric: PENullaginite = 22.00 barns/electron
U=PENullaginite x rElectron Density= 77.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nullaginite is Not Radioactive

Nullaginite Classification

Help on  Dana Class: Dana Class: 16a.03.02.02 (16a)Carbonates - Hydroxyl or Halogen
  (16a.03)where (A B)2 (XO3) Zq
  (16a.03.02)Malachite Group
16a.03.02.01 Malachite Cu2(CO3)(OH)2 P 21/a 2/m
16a.03.02.02 Nullaginite Ni2(CO3)(OH)2 P 21/m,P 21 Mono
16a.03.02.03 Pokrovskite Mg2(CO3)(OH)2•0.5(H2O) P 21/a 2/m
16a.03.02.04 Chukanovite! Fe2(CO3)(OH)2 P 21/a 2/m
Help on  Strunz Class: Strunz Class: 05.BA.10 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BA -With Cu, Co, Ni, Zn, Mg, Mn
05.BA.10 Nullaginite Ni2(CO3)(OH)2 P 21/m,P 21 Mono
05.BA.10 Georgeite Cu5(CO3)3(OH)4•6(H2O) None
05.BA.10 Malachite Cu2(CO3)(OH)2 P 21/a 2/m
05.BA.10 Glaukosphaerite (Cu,Ni)2(CO3)(OH)2 P 21/a 2/m
05.BA.10 Mcguinnessite (Mg,Cu)2(CO3)(OH)2 P 2/a or P 21/a 2/m
05.BA.10 Kolwezite (Cu,Co)2(CO3)(OH)2 P1 or P1 Tri
05.BA.10 Pokrovskite Mg2(CO3)(OH)2•0.5(H2O) P 21/a 2/m
05.BA.10 Rosasite (Cu,Zn)2(CO3)(OH)2 P 21/a 2/m
05.BA.10 Zincrosasite (Zn,Cu)2(CO3)(OH)2 P 21/a 2/m
05.BA.10 Chukanovite! Fe2(CO3)(OH)2 P 21/a 2/m

Other Nullaginite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Nullaginite :
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

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Dana No: 16a.03.02.02 Strunz No: 05.BA.10





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