Mineralogy Database

Nickenichite Mineral Data

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General Nickenichite Information

Help on Chemical  Formula: Chemical Formula: Na0,8Ca0,4(Mg,Fe+++,Al)3Cu0,4(AsO4)3
Help on Composition: Composition: Molecular Weight = 549.61 gm
   Sodium      3.35 %  Na    4.51 % Na2O
   Calcium     2.19 %  Ca    3.06 % CaO
   Magnesium  10.61 %  Mg   17.60 % MgO
   Aluminum    0.49 %  Al    0.93 % Al2O3
   Iron        4.06 %  Fe    5.81 % Fe2O3
   Copper      3.47 %  Cu    3.91 % Cu2O
   Arsenic    40.90 %  As   62.73 % As2O5
   Oxygen     34.93 %  O
             ______        ______ 
             100.00 %       98.54 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.8Ca0.3Cu0.3Mg2.4Fe3+0.4Al0.1(AsO4)3
Help on Environment: Environment: In a cavity in volcanic scoria.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Nickenich village, near the Nickenicher Sattel Volcano, Eifel district, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Nickenichite + Pronunciation Say NICKENICHITE
Help on Synonym: Synonym: ICSD 74468
  IMA1992-015
  PDF 48-1867
 

Nickenichite Image

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  Nickenichite

Comments: Blue crystals of nickenichite on matrix.
Location: Nickenich, near Kruft, Eifel Mts, Rhineland-Palatinate, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Nickenichite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9305:1:0.5205
Help on Cell Dimensions: Cell Dimensions: a = 11.882, b = 12.769, c = 6.647, Z = 4; beta = 112.81° V = 929.62 Den(Calc)= 3.93
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.744(1), 3.195(0.6), 4.06(0.5),
 

Physical Properties of Nickenichite

Help on Cleavage: Cleavage: {010} Perfect, {100} Good, {101} Good
Help on Color: Color: Greenish blue, Light blue.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Nickenichite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.049 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1901,KC= 0.1812
Ncalc = 1.71
Help on Optical Data: Optical Data: Biaxial (+), a=1.714, b=1.744, g=1.783, bire=0.0690, 2V(Calc)=86, 2V(Meas)=60-84.
Help on Pleochroism (x): Pleochroism (x): light blue.
Help on Pleochroism (z): Pleochroism (z): blue.
 

Calculated Properties of Nickenichite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.70 gm/cc
note: Specific Gravity of Nickenichite =3.93 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PENickenichite = 31.49 barns/electron
U=PENickenichite x rElectron Density= 116.66 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nickenichite is Not Radioactive
 

Nickenichite Classification

Help on  Dana Class: Dana Class: 38.02.03.09 (38)Anhydrous Phosphates, etc
  (38.02)(A+ B++)5 (XO4)3
  (38.02.03)Alluaudite-Wyllieite Group (Alluaudite Subgroup)
 
38.02.03.01 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 21/a 2/m
 
38.02.03.02 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 21/a 2/m
 
38.02.03.03 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m
 
38.02.03.04 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 21/a 2/m
 
38.02.03.05 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m
 
38.02.03.06 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m
 
38.02.03.07 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m
 
38.02.03.08 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m
 
38.02.03.09 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m
 
38.02.03.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m
 
38.02.03.11 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m
 
38.02.03.12 IMA2008-064! Na16Mn25Al8(PO4)30 Pc m
Help on  Strunz Class: Strunz Class: 08.AC.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AC -With medium-sized and large cations
 
08.AC.10 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m
 
08.AC.10 Arseniopleite (Ca,Na)(Na,Pb)Mn(Mn,Mg,Fe)2(AsO4)3 I2/a 2/m
 
08.AC.10 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 21/a 2/m
 
08.AC.10 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/c 2/m
 
08.AC.10 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 21/a 2/m
 
08.AC.10 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m
 
08.AC.10 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m
 
08.AC.10 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m
 
08.AC.10 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 21/a 2/m
 
08.AC.10 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m
 
08.AC.10 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m
 
08.AC.10 Bradaczekite! NaCu4(AsO4)3 C 2/c 2/m
 
08.AC.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m
 
08.AC.10 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m
 

Other Nickenichite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.79,p570-574,1994) OPTIC PROP.(Am.Min.,Vol.79,p570-574,1994)
Help on See Also: See Also: Links to other databases for Nickenichite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Nickenichite

Na0,8Ca0,4(Mg,Fe+++,Al)3Cu0,4(AsO4)3
Dana No: 38.02.03.09 Strunz No: 08.AC.10
Locality:

 

Notes:

 

 
   
 


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