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Babingtonite Mineral Data

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General Babingtonite Information

Help on Chemical  Formula: Chemical Formula: Ca2(Fe++,Mn)Fe+++Si5O14(OH)
Help on Composition: Composition: Molecular Weight = 573.05 gm
   Calcium    13.99 %  Ca   19.57 % CaO
   Manganese   2.40 %  Mn    3.09 % MnO
   Iron       17.05 %  Fe   21.94 % FeO
   Silicon    24.51 %  Si   52.43 % SiO2
   Hydrogen    0.18 %  H     1.57 % H2O
   Oxygen     41.88 %  O
             ______        ______ 
             100.00 %       98.60 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Fe2+0.75Mn2+0.25Fe2+Si5O14(OH)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1824
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Irish physicist and mineralogist, W. Babington (1757-1833).
Help on Name Pronunciation: Name Pronunciation: Babingtonite + Pronunciation Say BABINGTONITE
Help on Synonym: Synonym: ICSD 2932
  PDF 45-1385
 

Babingtonite Image

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  Babingtonite

Comments: Small, single crystal of babingtonite on matrix.
Location: Blueberry Mountain, Woburn. Middlesex County, Massachusetts, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Babingtonite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6388:1:0.5711
Help on Cell Dimensions: Cell Dimensions: a = 7.36, b = 11.52, c = 6.58, Z = 2; alpha = 91.516°, beta = 93.85°, gamma = 104.067° V = 539.76 Den(Calc)= 3.53
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.75(1), 2.87(0.8), 3.12(0.7),
 

Physical Properties of Babingtonite

Help on Cleavage: Cleavage: {100} Perfect, {001} Perfect
Help on Color: Color: Brownish black, Greenish black, Black.
Help on Density: Density: 3.4
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: brown
 

Optical Properties of Babingtonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.063 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.024 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2076,KPDmeas= 0.2156,KC= 0.2028
Ncalc = 1.69 - 1.72
Help on Optical Data: Optical Data: Biaxial (+), a=1.717, b=1.73, g=1.752, bire=0.0350, 2V(Calc)=76, 2V(Meas)=60-65. Dispersion relatively strong.
Help on Pleochroism (x): Pleochroism (x): none.
Help on Pleochroism (y): Pleochroism (y): none.
Help on Pleochroism (z): Pleochroism (z): non.
 

Calculated Properties of Babingtonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.48 gm/cc
note: Specific Gravity of Babingtonite =3.53 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEBabingtonite = 8.31 barns/electron
U=PEBabingtonite x rElectron Density= 28.96 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Babingtonite is Not Radioactive
 

Babingtonite Classification

Help on  Dana Class: Dana Class: 65.04.01.02 (65)Inosilicate Single-Width Unbranched Chains, W=1
  (65.04)with chains P=5
  (65.04.01)Rhodonite group
 
65.04.01.01 Rhodonite (Mn,Fe,Mg,Ca)SiO3 P1 1
 
65.04.01.02 Babingtonite Ca2(Fe,Mn)FeSi5O14(OH) P1 1
 
65.04.01.03 Manganbabingtonite Ca2(Mn,Fe)FeSi5O14(OH) P1 1
 
65.04.01.04 Nambulite (Li,Na)Mn4[Si5O14(OH)] P1 1
 
65.04.01.05 Natronambulite (Na,Li)Mn4[Si5O14(OH)] P1 1
 
65.04.01.06 Marsturite NaCaMn3[Si5O14(OH)] P1,P 1 Tri
 
65.04.01.07 Lithiomarsturite LiCa2Mn2HSi5O15 P1 1
 
65.04.01.08 Scandiobabingtonite! Ca2(Fe,Mn)ScSi5O14(OH) P1 1
Help on  Strunz Class: Strunz Class: 09.DK.05 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DK -Inosilicates with 5-periodic single chains
 
09.DK.05 Babingtonite Ca2(Fe,Mn)FeSi5O14(OH) P1 1
 
09.DK.05 Marsturite NaCaMn3[Si5O14(OH)] P1,P 1 Tri
 
09.DK.05 Natronambulite (Na,Li)Mn4[Si5O14(OH)] P1 1
 
09.DK.05 Lithiomarsturite LiCa2Mn2HSi5O15 P1 1
 
09.DK.05 Manganbabingtonite Ca2(Mn,Fe)FeSi5O14(OH) P1 1
 
09.DK.05 Nambulite (Li,Na)Mn4[Si5O14(OH)] P1 1
 
09.DK.05 Rhodonite (Mn,Fe,Mg,Ca)SiO3 P1 1
 
09.DK.05 Scandiobabingtonite! Ca2(Fe,Mn)ScSi5O14(OH) P1 1
 

Other Babingtonite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Babingtonite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - CalTech Mineral Spectroscopy
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineral and Gemstone Kingdom
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST

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

Babingtonite

Ca2(Fe++,Mn)Fe+++Si5O14(OH)
Dana No: 65.04.01.02 Strunz No: 09.DK.05
Locality:

 

Notes:

 

 
   
 


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