Franklinfurnaceite Mineral Data + Say FRANKLINFURNACEITE

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General Franklinfurnaceite Information

Help on Chemical  Formula: Chemical Formula: Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8
Help on Composition: Composition: Molecular Weight = 831.54 gm
   Calcium     9.64 %  Ca   13.49 % CaO
   Manganese  26.43 %  Mn   25.59 % MnO /  9.49 % Mn2O3
   Aluminum    0.81 %  Al    1.53 % Al2O3
   Zinc       15.73 %  Zn   19.58 % ZnO
   Iron        5.04 %  Fe    7.20 % Fe2O3
   Silicon     6.76 %  Si   14.45 % SiO2
   Hydrogen    0.97 %  H     8.67 % H2O
   Oxygen     34.63 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Fe3+0.75Al0.25Mn3+Mn2+3Zn2Si2O10(OH)8
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: Link to MinDat.org Location Data.
 

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Franklinfurnaceite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5839:1:1.5452
Help on Cell Dimensions: Cell Dimensions: a = 5.483, b = 9.39, c = 14.51, Z = 2; beta = 97.04° V = 741.42 Den(Calc)= 3.72
Help on Crystal System: Crystal System: Monoclinic - SphenoidalH-M Symbol (2) Space Group: C 2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.305(1), 2.707(0.8), 2.602(0.7),
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Peacor D R , Rouse R C , Bailey S W , American Mineralogist , 73 (1988) p.876-887, Crystal structure of franklinfurnaceite: A tri-dioctahedral zincosilicate, intermediate between chlorite and mica

 

Physical Properties of Franklinfurnaceite

Help on Cleavage: Cleavage: [???] Perfect
Help on Color: Color: Dark brown.
Help on Density: Density: 3.66
Help on Diaphaniety: Diaphaniety: Translucent
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: brown
 

Optical Properties of Franklinfurnaceite

Help on Optical Data: Optical Data: Biaxial (-), a=1.792, b=1.798, g=1.802, bire=0.0100, 2V(Calc)=78, 2V(Meas)=79.
 

Calculated Properties of Franklinfurnaceite

Help on Electron Density: Electron Density:

relectron=3.60 gm/cc
note: rFranklinfurnaceite =3.72 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.01096
Boson Index = 0.98904
Help on Photoelectric: Photoelectric:

PEFranklinfurnaceite = 17.54 barns/electron
U=PEFranklinfurnaceite x relectron= 63.22 barns/cc.

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

Franklinfurnaceite is Not Radioactive

 

Franklinfurnaceite Classification

Help on  Dana Class: Dana Class: 71.4.3.1 (71)Phyllosilicate Sheets of Six-Membered Rings
  (71.4)interlayered 1:1, 2:1, and octahedra
  (71.4.3)Dana Group
 
71.4.3.1 Franklinfurnaceite Ca2(Fe,Al)MnMn3Zn2Si2O10(OH)8 C 2 2
Help on  Strunz Class: Strunz Class: VIII/H.23-110 VIII - Silicates
  VIII/H - Phyllosilicates (layered) Mica like with [Si4O10]4- and related groups
  VIII/H.23 - Chlorite group
 
VIII/H.23-10 Sudoite Mg2(Al,Fe)3Si3AlO10(OH)8 C 2/m 2/m
 
VIII/H.23-20 Clinochlore (Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m
 
VIII/H.23-30 Chamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C 2/m 2/m
 
VIII/H.23-40 Orthochamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C3m-pseudoHEX Ortho
 
VIII/H.23-50 Baileychlore (Zn,Al,[])3[Fe2Al][Si3AlO10](OH)8 C1,C1 Tri
 
VIII/H.23-60 Pennantite Mn5Al(Si3Al)O10(OH)8 C 2/m 2/m
 
VIII/H.23-70 Nimite (Ni,Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m
 
VIII/H.23-80 Gonyerite Mn3[Mn3Fe][(Si,Fe)4O10](OH,O)8 pseudo-HEX Ortho
 
VIII/H.23-90 Cookeite LiAl4(Si3Al)O10(OH)8 P 21/a 2/m
 
VIII/H.23-95 Borocookeite! Li(13x)Al(4-x)(BSi3)O10(OH,F)8[x=0-0.33] pseudo C 2/m 2/m
 
VIII/H.23-100 Manandonite Li2Al4[(Si2AlB)O10](OH)8 C1 1
 
VIII/H.23-110 Franklinfurnaceite Ca2(Fe,Al)MnMn3Zn2Si2O10(OH)8 C 2 2
 

Other Franklinfurnaceite Information

Help on References: References: PHYS. PROP.(Am.Min.,Vol.72,p812-815,1987) OPTIC PROP.(Am.Min.,Vol.72,p812-815,1987)
Help on See Also: See Also: Links to other databases for Franklinfurnaceite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 - Franklin Minerals(Dunn) 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (MinSocAm) 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 - WWW-MINCRYST 15 -École des Mines de Paris

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Franklinfurnaceite

Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8
Dana No: 71.4.3.1 Strunz No: VIII/H.23-110
Locality:

 

Notes:

 

 
   
 
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