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Nickenichite Mineral Data
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General Nickenichite Information
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 Chemical Formula: |
Na0,8Ca0,4(Mg,Fe+++,Al)3Cu0,4(AsO4)3 |
| Composition: |
Molecular Weight = 549.61 gm |
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Sodium 3.35 % Na 4.51 % Na2O |
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Calcium 2.19 % Ca 3.06 % CaO |
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Magnesium 10.61 % Mg 17.60 % MgO |
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Aluminum 0.49 % Al 0.93 % Al2O3 |
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Iron 4.06 % Fe 5.81 % Fe2O3 |
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Copper 3.47 % Cu 3.91 % Cu2O |
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Arsenic 40.90 % As 62.73 % As2O5 |
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Oxygen 34.93 % O |
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______ ______ |
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100.00 % 98.54 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.8Ca0.3Cu0.3Mg2.4Fe3+0.4Al0.1(AsO4)3 |
| Environment: |
In a cavity in volcanic scoria. |
| IMA Status: |
Approved IMA 1993 |
| Locality: |
Nickenich village, near the Nickenicher Sattel Volcano, Eifel district, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Nickenichite + Pronunciation  |
| Synonym: |
ICSD 74468 |
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IMA1992-015 |
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PDF 48-1867 |
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Nickenichite Image |
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Images:
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Nickenichite Crystallography
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| Axial Ratios: |
a:b:c =0.9305:1:0.5205 |
| Cell Dimensions: |
a = 11.882, b = 12.769, c = 6.647, Z = 4; beta = 112.81° V = 929.62 Den(Calc)= 3.93 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
| X Ray Diffraction: |
By Intensity(I/Io): 2.744(1), 3.195(0.6), 4.06(0.5), |
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Physical Properties of Nickenichite
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| Cleavage: |
{010} Perfect, {100} Good, {101} Good |
| Color: |
Greenish blue, Light blue. |
| Diaphaneity: |
Transparent |
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
| Hardness: |
3 - Calcite |
| Luster: |
Vitreous (Glassy) |
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Optical Properties of Nickenichite
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| Gladstone-Dale: |
CI calc= -0.049 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1901,KC= 0.1812
Ncalc = 1.71 |
| Optical Data: |
Biaxial (+), a=1.714, b=1.744, g=1.783, bire=0.0690, 2V(Calc)=86, 2V(Meas)=60-84. |
| Pleochroism (x): |
light blue. |
| Pleochroism (z): |
blue. |
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Calculated Properties of Nickenichite
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| Electron Density: |
Bulk Density (Electron Density)=3.70 gm/cc
note: Specific Gravity of Nickenichite =3.93 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PENickenichite = 31.49 barns/electron
U=PENickenichite x rElectron Density= 116.66 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nickenichite is Not Radioactive |
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Nickenichite Classification
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| Dana Class: |
38.02.03.09 (38)Anhydrous Phosphates, etc |
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(38.02)(A+ B++)5 (XO4)3 |
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(38.02.03)Alluaudite-Wyllieite Group (Alluaudite Subgroup) |
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38.02.03.01 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 21/a 2/m |
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38.02.03.02 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 21/a 2/m |
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38.02.03.03 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m |
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38.02.03.04 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 21/a 2/m |
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38.02.03.05 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m |
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38.02.03.06 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m |
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38.02.03.07 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m |
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38.02.03.08 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m |
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38.02.03.09 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m |
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38.02.03.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m |
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38.02.03.11 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m |
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38.02.03.12 IMA2008-064! Na16Mn25Al8(PO4)30 Pc m |
| Strunz Class: |
08.AC.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.A - Phosphates, etc. without additional anions, without H2O |
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08.AC -With medium-sized and large cations |
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08.AC.10 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m |
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08.AC.10 Arseniopleite (Ca,Na)(Na,Pb)Mn(Mn,Mg,Fe)2(AsO4)3 I2/a 2/m |
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08.AC.10 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 21/a 2/m |
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08.AC.10 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/c 2/m |
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08.AC.10 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 21/a 2/m |
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08.AC.10 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m |
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08.AC.10 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m |
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08.AC.10 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m |
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08.AC.10 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 21/a 2/m |
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08.AC.10 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m |
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08.AC.10 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m |
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08.AC.10 Bradaczekite! NaCu4(AsO4)3 C 2/c 2/m |
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08.AC.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m |
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08.AC.10 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m |
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Other Nickenichite Information
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| References: |
NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.79,p570-574,1994) OPTIC PROP.(Am.Min.,Vol.79,p570-574,1994) |
| 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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