Theresemagnanite Mineral Data + Say THERESEMAGNANITE


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General Theresemagnanite Information

Help on Chemical  Formula: Chemical Formula: (Co,Zn,Ni)6(SO4)(OH,Cl)10·8(H2O)
Help on Composition: Composition: Molecular Weight = 813.42 gm
   Zinc      16.08 %  Zn   20.01 % ZnO
   Cobalt    21.74 %  Co   27.64 % CoO
   Nickel     7.22 %  Ni    9.18 % NiO
   Hydrogen   2.97 %  H    26.58 % H2O
   Sulfur     3.94 %  S     9.84 % SO3
   Chlorine   8.72 %  Cl    8.72 % Cl
               -   %  Cl   -1.97 % -O=Cl2
   Oxygen    39.34 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Co3Zn2Ni(SO4)(OH)8Cl2·8(H2O)
Help on Environment: Environment: Secondary alteration mineral.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Cap Garonne mine, Var, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Therese Magnan for her contributions to knowledge about the Cap Garrone mine.
Help on Synonym: Synonym: IMA1991-026
 

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Theresemagnanite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:3.13045
Help on Cell Dimensions: Cell Dimensions: a = 8.363, c = 26.18, Z = 3; V = 1,585.71 Den(Calc)= 2.56
Help on Crystal System: Crystal System: Hexagonal - PyramidalH-M Symbol (6) Space Group: P 63
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 13.1(1), 2.527(0.9), 2.681(0.4),
 

Physical Properties of Theresemagnanite

Help on Cleavage: Cleavage: [0001] Perfect
Help on Color: Color: Pink, Light pink.
Help on Density: Density: 2.52
Help on Diaphaniety: Diaphaniety: Transparent
Help on Fracture: Fracture: Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Habit: Habit: Thin - Flat dimensioned crystals.
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Pearly
Help on Streak: Streak: white
 

Optical Properties of Theresemagnanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.053 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.068 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2168,KPDmeas= 0.2202,KC= 0.2326
Help on Optical Data: Optical Data: Uniaxial (-), e=1.542, w=1.568, bire=0.0260.
 

Calculated Properties of Theresemagnanite

Help on Electron Density: Electron Density:

relectron=2.50 gm/cc
note: rTheresemagnanite =2.52 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00789
Boson Index = 0.99211
Help on Photoelectric: Photoelectric:

PETheresemagnanite = 18.65 barns/electron
U=PETheresemagnanite x relectron= 46.58 barns/cc.

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

Theresemagnanite is Not Radioactive

 

Theresemagnanite Classification

Help on  Dana Class: Dana Class: 31.2.5.1 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.2)where (A+ B++)6 (XO4) Zq·x(H2O)
  (31.2.5)Dana Group
 
31.2.5.1 Theresemagnanite (Co,Zn,Ni)6(SO4)(OH,Cl)10·8(H2O) P 63 6
Help on  Strunz Class: Strunz Class: VI/D.03-55 VI - Sulfates,Chromates,Molybdates and Tungstates
  VI/D - Water-bearing sulfates with unfamiliar anions. cations of medium size
  VI/D.03 - Langite series, Posnjakite - Nakuriite
 
VI/D.03-10 Posnjakite Cu4(SO4)(OH)6·(H2O) C 2/c 2/m
 
VI/D.03-20 Langite Cu4(SO4)(OH)6·2(H2O) Pc m
 
VI/D.03-30 Wroewolfeite Cu4(SO4)(OH)6·2(H2O) Pc m
 
VI/D.03-40 Namuwite (Zn,Cu)4(SO4)(OH)6·4(H2O) Unk Hex
 
VI/D.03-50 Guarinoite (Zn,Co,Ni)6(SO4)(OH,Cl)10·5(H2O) P 63/m,P 63, or P 6322 Hex
 
VI/D.03-55 Theresemagnanite (Co,Zn,Ni)6(SO4)(OH,Cl)10·8(H2O) P 63 6
 
VI/D.03-60 Schulenbergite (Cu,Zn)7(SO4,CO3)2(OH)10·3(H2O) P 3 or P 3- Trig
 
VI/D.03-65 Christelite! Zn3Cu2(SO4)2(OH)6·4(H2O) P1 1
 
VI/D.03-70 Ktenasite (Cu,Zn)5(SO4)2(OH)6·6(H2O) P 21/c 2/m
 
VI/D.03-75 Ramsbeckite (Cu,Zn)15(SO4)4(OH)22·6(H2O) P 21/a 2/m
 
VI/D.03-80 Campigliaite Cu4Mn(SO4)2(OH)6·4(H2O) C 2 2
 
VI/D.03-90 Nakauriite (Mn,Ni,Cu)8(SO4)4(CO3)(OH)6·48(H2O) Unk Ortho
 

Other Theresemagnanite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.78,p1315,1993) OPTIC PROP.(Am.Min.,Vol.78,p1315,1993)
Help on See Also: See Also: Links to other databases for Theresemagnanite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas

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Theresemagnanite

(Co,Zn,Ni)6(SO4)(OH,Cl)10·8(H2O)
Dana No: 31.2.5.1 Strunz No: VI/D.03-55
Locality:

 

Notes:

 

 
   
 
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