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Ferrocarpholite Mineral Data

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General Ferrocarpholite Information

Help on Chemical  Formula: Chemical Formula: (Fe++,Mg)Al2Si2O6(OH)4
Help on Composition: Composition: Molecular Weight = 324.65 gm
   Magnesium   1.50 %  Mg    2.48 % MgO
   Titanium    0.15 %  Ti    0.25 % TiO2
   Manganese   0.17 %  Mn    0.22 % MnO
   Aluminum   15.54 %  Al   29.37 % Al2O3
   Iron       15.31 %  Fe   17.93 % FeO /  1.97 % Fe2O3
   Silicon    17.56 %  Si   37.57 % SiO2
   Hydrogen    1.13 %  H    10.10 % H2O
   Oxygen     48.64 %  O
             ______        ______ 
             100.00 %       99.88 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+0.81Mg0.2Mn2+0.01Al1.87Fe3+0.08Ti0.01Si2.03O9.87H3.64
Help on Environment: Environment: In quartz veins in blueschists of low metamorphic grade, formed from felsic tuffs at about 250 �C and 3 kbar.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1951
Help on Locality: Locality: At several localities west of Tomata, Celebes, Indonesia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Fe-dominant member of the carpholite series.
Help on Name Pronunciation: Name Pronunciation: Ferrocarpholite + Pronunciation Say FERROCARPHOLITE
Help on Synonym: Synonym: ICSD 34519
  PDF 33-655
 

Ferrocarpholite Image

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  Ferrocarpholite

Comments: Pale yellow radiating ferrocarpholite crystals.
Location: Krasno, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrocarpholite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.683:1:0.2532
Help on Cell Dimensions: Cell Dimensions: a = 13.797, b = 20.2, c = 5.116, Z = 8; V = 1,425.83 Den(Calc)= 3.02
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C cca
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.04(1), 5.69(0.7), 3.355(0.3),
 

Physical Properties of Ferrocarpholite

Help on Cleavage: Cleavage: {010} Perfect, {110} Indistinct
Help on Color: Color: Gray green, Dark green.
Help on Density: Density: 3.04
Help on Diaphaneity: Diaphaneity: Translucent
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Silky
Help on Streak: Streak: greenish white
 

Optical Properties of Ferrocarpholite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.062 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.055 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2074,KPDmeas= 0.206,KC= 0.2195
Ncalc = 1.66 - 1.67
Help on Optical Data: Optical Data: Biaxial (-), a=1.614, b=1.63, g=1.635, bire=0.0210, 2V(Calc)=56, 2V(Meas)=58.
 

Calculated Properties of Ferrocarpholite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.00 gm/cc
note: Specific Gravity of Ferrocarpholite =3.02 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEFerrocarpholite = 5.74 barns/electron
U=PEFerrocarpholite x rElectron Density= 17.22 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferrocarpholite is Not Radioactive
 

Ferrocarpholite Classification

Help on  Dana Class: Dana Class: 65.01.05.02 (65)Inosilicate Single-Width Unbranched Chains, W=1
  (65.01)with chains P=2
  (65.01.05)Carpholite group
 
65.01.05.01 Carpholite MnAl2Si2O6(OH)4 C cca 2/m 2/m 2/m
 
65.01.05.02 Ferrocarpholite (Fe,Mg)Al2Si2O6(OH)4 C cca 2/m 2/m 2/m
 
65.01.05.03 Magnesiocarpholite MgAl2Si2O6(OH)4 C cca 2/m 2/m 2/m
 
65.01.05.04 Balipholite BaMg2LiAl3Si4O12(OH,F)8 C cca 2/m 2/m 2/m
 
65.01.05.05 Potassiccarpholite! (K,Na,[])(Li,Mn)2Al)4Si4O12(OH)4(F,OH)4 C cca 2/m 2/m 2/m
 
65.01.05.06 Vanadiocarpholite! MnVAl(Si2O6)(OH)4 C cca 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.DB.05 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DB -Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals
 
09.DB.05 Carpholite MnAl2Si2O6(OH)4 C cca 2/m 2/m 2/m
 
09.DB.05 Balipholite BaMg2LiAl3Si4O12(OH,F)8 C cca 2/m 2/m 2/m
 
09.DB.05 Ferrocarpholite (Fe,Mg)Al2Si2O6(OH)4 C cca 2/m 2/m 2/m
 
09.DB.05 Magnesiocarpholite MgAl2Si2O6(OH)4 C cca 2/m 2/m 2/m
 
09.DB.05 Potassiccarpholite! (K,Na,[])(Li,Mn)2Al)4Si4O12(OH)4(F,OH)4 C cca 2/m 2/m 2/m
 
09.DB.05 Vanadiocarpholite! MnVAl(Si2O6)(OH)4 C cca 2/m 2/m 2/m
 

Other Ferrocarpholite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Ferrocarpholite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Ferrocarpholite

(Fe++,Mg)Al2Si2O6(OH)4
Dana No: 65.01.05.02 Strunz No: 09.DB.05
Locality:

 

Notes:

 

 
   
 


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