Mineralogy Database

Sonolite Mineral Data

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General Sonolite Information

Help on Chemical  Formula: Chemical Formula: Mn9(SiO4)4(OH,F)2
Help on Composition: Composition: Molecular Weight = 897.79 gm
   Manganese  55.07 %  Mn   71.11 % MnO
   Silicon    12.51 %  Si   26.77 % SiO2
   Hydrogen    0.17 %  H     1.50 % H2O
   Oxygen     31.19 %  O
   Fluorine    1.06 %  F     1.06 % F
                -   %   F    -0.45 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+9(SiO4)4(OH)1.5F0.5
Help on Environment: Environment: In metamorphosed manganese-rich deposits.
Help on IMA Status: IMA Status: Approved IMA 1963
Help on Locality: Locality: Sono mine, Kyoto Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Sonolite Say SONOLITE
Help on Synonym: Synonym: ICSD 75545
  PDF 22-725

Sonolite Image

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Comments: Dark red anhedral grains of sonolite in matrix.
Location: Crouse mine, Bald Knob, Alleghany Co., North Carolina, USA. Scale: Crystal size 0.75 mm.
© Tom Loomis / Dakota Matrix

Sonolite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.1844:1:2.9364
Help on Cell Dimensions: Cell Dimensions: a = 10.66, b = 4.88, c = 14.33, Z = 2; beta = 100.566° V = 732.82 Den(Calc)= 4.07
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.743(1), 2.869(1), 2.651(0.7),

Physical Properties of Sonolite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Dark brown, Dark reddish brown, Pink brown, Reddish orange.
Help on Density: Density: 3.82
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Sonolite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.01 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.052 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1908,KPDmeas= 0.2033,KC= 0.2014
Ncalc = 1.77 - 1.82
Help on Optical Data: Optical Data: Biaxial (-), a=1.765, b=1.778, g=1.787, bire=0.0220, 2V(Calc)=78, 2V(Meas)=75.5-82.

Calculated Properties of Sonolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.63 gm/cc
note: Specific Gravity of Sonolite =3.82 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0059936319
Boson Index = 0.9940063681
Help on Photoelectric: Photoelectric: PESonolite = 14.79 barns/electron
U=PESonolite x rElectron Density= 53.75 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sonolite is Not Radioactive

Sonolite Classification

Help on  Dana Class: Dana Class: 52.03.02d.03 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
  (52.03)with cations in [6] coordination only
  (52.03.02d)Humite group (Clinohumite series)
52.03.02d.01 Clinohumite (Mg,Fe)9(SiO4)4(F,OH)2 P 21/c 2/m
52.03.02d.02 Jerrygibbsite (Mn,Zn)9(SiO4)4(OH)2 Pbn21 mm2
52.03.02d.03 Sonolite Mn9(SiO4)4(OH,F)2 P 21/a 2/m
52.03.02d.04 Hydroxylclinohumite! Mg9(SiO4)4(OH,F)2 P 21/c 2/m
Help on  Strunz Class: Strunz Class: 09.AF.55 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AF -Nesosilicates with additional anions;
09.AF.55 Clinohumite (Mg,Fe)9(SiO4)4(F,OH)2 P 21/c 2/m
09.AF.55 Sonolite Mn9(SiO4)4(OH,F)2 P 21/a 2/m
09.AF.55 Hydroxylclinohumite! Mg9(SiO4)4(OH,F)2 P 21/c 2/m

Other Sonolite 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 Sonolite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Dana No: 52.03.02d.03 Strunz No: 09.AF.55





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