Arupite Mineral Data + Say ARUPITE

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General Arupite Information

Help on Chemical  Formula: Chemical Formula: (Ni,Fe++)3(PO4)2·8(H2O)
Help on Composition: Composition: Molecular Weight = 983.91 gm
   Magnesium    1.85 %  Mg    3.07 % MgO
   Manganese   12.56 %  Mn   16.22 % MnO
   Iron         4.26 %  Fe    5.48 % FeO
   Nickel      13.42 %  Ni   17.08 % NiO
   Phosphorus  12.59 %  P    28.85 % P2O5
   Hydrogen     3.28 %  H    29.30 % H2O
   Oxygen      52.04 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: 3(Ni0.75)3(Mn2+0.75)3(Fe2+0.25)3(Mg0.25)(PO4)2·8(H2O)
Help on Environment: Environment: A weathering product of a nickel-rich iron meteorite.
Help on IMA Status: IMA Status: Approved IMA 1990
Help on Locality: Locality: In the Santa Catherina iron meteorite. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: To honor Hans Henning Arup (1928- ), Director of the Danish Corrosion Center, Copenhagen, Denmark.
Help on Synonym: Synonym: IMA1988-008
 

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Arupite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7477:1:0.3512
Help on Cell Dimensions: Cell Dimensions: a = 9.889, b = 13.225, c = 4.645, Z = 2; beta = 102.41° V = 593.29 Den(Calc)= 5.51
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: I2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.624(1), 2.922(0.72), 4.818(0.61),
 

Physical Properties of Arupite

Help on Cleavage: Cleavage: [???] Good
Help on Color: Color: Blue, Turquoise blue.
Help on Diaphaniety: Diaphaniety: Translucent
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: light blue
 

Optical Properties of Arupite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.486 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1187,KC= 0.2309
Help on Optical Data: Optical Data: Biaxial (+), a=1.632, b=1.65, g=1.68, bire=0.0480, 2V(Calc)=78, 2V(Meas)=60-70.
 

Calculated Properties of Arupite

Help on Electron Density: Electron Density:

relectron=5.55 gm/cc
note: rArupite =5.51 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00452
Boson Index = 0.99548
Help on Photoelectric: Photoelectric:

PEArupite = 10.21 barns/electron
U=PEArupite x relectron= 56.70 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Arupite is Not Radioactive

 

Arupite Classification

Help on  Dana Class: Dana Class: 40.3.6.8 (40)Hydrated Phosphates, etc
  (40.3)where (A++)3 (XO4)2 · x(H2O)
  (40.3.6)Dana Group
 
40.3.6.1 Vivianite Fe3(PO4)2·8(H2O) C 2/m 2/m
 
40.3.6.2 Baricite (Mg,Fe)3(PO4)2·8(H2O) C 2/m 2/m
 
40.3.6.3 Erythrite Co3(AsO4)2·8(H2O) I2/m 2/m
 
40.3.6.4 Annabergite Ni3(AsO4)2·8(H2O) I2/m 2/m
 
40.3.6.5 Kottigite Zn3(AsO4)2·8(H2O) C 2/m 2/m
 
40.3.6.6 Parasymplesite Fe3(AsO4)2·8(H2O) C 2/m 2/m
 
40.3.6.7 Hornesite Mg3(AsO4)2·8(H2O) I2/m 2/m
 
40.3.6.8 Arupite (Ni,Fe)3(PO4)2·8(H2O) I2/m 2/m
 
40.3.6.9 IMA2004-021! Co3(PO4)2·8(H2O) C 2/m 2/m
Help on  Strunz Class: Strunz Class: VII/C.13-45 VII - Phosphates, Arsenates and Vanadates
  VII/C - Water-bearing phosphates without unfamiliar anions. cations of medium and small size: Be and Mn, Fe, Cu, Zn, Mg
  VII/C.13 - Vivianite group
 
VII/C.13-10 Bobierrite Mg3(PO4)2·8(H2O) C 2/c 2/m
 
VII/C.13-20* Cattiite! Mg3(PO4)2·22(H2O) P1 1
 
VII/C.13-20 Manganese-hornesite (Mn,Mg)3(AsO4)2·8(H2O) P 21/c 2/m
 
VII/C.13-30 Baricite (Mg,Fe)3(PO4)2·8(H2O) C 2/m 2/m
 
VII/C.13-40 Vivianite Fe3(PO4)2·8(H2O) C 2/m 2/m
 
VII/C.13-45 Arupite (Ni,Fe)3(PO4)2·8(H2O) I2/m 2/m
 
VII/C.13-50 Hornesite Mg3(AsO4)2·8(H2O) I2/m 2/m
 
VII/C.13-60 Parasymplesite Fe3(AsO4)2·8(H2O) C 2/m 2/m
 
VII/C.13-70 Erythrite Co3(AsO4)2·8(H2O) I2/m 2/m
 
VII/C.13-80 Annabergite Ni3(AsO4)2·8(H2O) I2/m 2/m
 
VII/C.13-90 Kottigite Zn3(AsO4)2·8(H2O) C 2/m 2/m
 

Other Arupite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.75,p1209,1990) OPTIC PROP.(Am.Min.,Vol.75,p1209,1990)
Help on See Also: See Also: Links to other databases for Arupite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST 12 -École des Mines de Paris

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

Arupite

(Ni,Fe++)3(PO4)2·8(H2O)
Dana No: 40.3.6.8 Strunz No: VII/C.13-45
Locality:

 

Notes:

 

 
   
 
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