Sturtite Mineral Data

Sturtite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies]
We specialize in fine European and Asian Mineral Specimens
Heliodor is based in Prague, Czech Republic


General Sturtite Information

Help on Chemical Formula: Chemical Formula: (Fe3+)(Mn2+,Ca,Mg)Si4O10(OH)3•10(H2O)
Help on Composition: Composition: Molecular Weight = 606.77 gm
   Calcium     1.98 %  Ca    2.77 % CaO
   Magnesium   0.40 %  Mg    0.66 % MgO
   Manganese   5.43 %  Mn    7.01 % MnO
   Iron        9.20 %  Fe   13.16 % Fe2O3
   Silicon    18.51 %  Si   39.61 % SiO2
   Hydrogen    3.82 %  H    34.14 % H2O
   Oxygen     60.65 %  O
             ______        ______ 
             100.00 %       97.36 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+Mn2+0.6Ca0.3Mg0.1Si4O10(OH)3•10(H2O)
Help on Environment: Environment: An inadequately characterized mineral. Sturtite is now considered hisingerite or neotocite.
Help on IMA Status: IMA Status: Discredited IMA 2006
Help on Locality: Locality: Broken Hill, New South Wales, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for C. Sturt.
 

Sturtite Image

Click Here for Larger Sturtite Image in a New Browser Window Images:
Click Here for Larger Sturtite Image

Sturtite

Comments: Dark red-brown resinous massive sturtite.
Location: North Mine, Broken Hill, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sturtite Crystallography
Help on Crystal System: Crystal System: Amorphous- No Crystals
 

Physical Properties of Sturtite

Help on Color: Color: Black.
Help on Density: Density: 2.05
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: yellowish brown
 

Optical Properties of Sturtite

Help on Optical Data: Optical Data: NCalc= 1.53 - from Gladstone-Dale relationship (KC = 0.2609) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Sturtite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.10 gm/cc
note: Specific Gravity of Sturtite =2.05 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESturtite = 5.00 barns/electron
U=PESturtite x rElectron Density= 10.51 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sturtite is Not Radioactive
 

Sturtite Classification
Help on Dana Class: Dana Class: 78.00.00.00 (78)Unclassified Silicate Minerals
  (78.00)Without Dana Classification Numbers
  (78.00.00)Silicate, Unclassified
 
78.00.00.00 Almbosite? Fe5Fe4V4Si3O27 Ortho ? Ortho
 
78.00.00.00 Chelyabinskite* (Ca,Mg)3Si(OH)6(SO4,CO3)2•9(H2O) Unk Ortho
 
78.00.00.00 Cryptophyllite K2Ca[Si4O10]•5H2O P 21/n 2/m
 
78.00.00.00 IMA2007-041T Na2[Ti4O2(OH)2(SiO4)3]•6H2O R 3m 3m
 
78.00.00.00 IMA2009-001 Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5 R 3 3
 
78.00.00.00 Iddingsite? MgO.Fe2O3.3SiO2•4(H2O) Ortho
 
78.00.00.00 Ivanyukite-Cu Cu[Ti4(OH)2O2(SiO4)3]•7H2O P 4 3m 4 3m
 
78.00.00.00 Ivanyukite-K K2[Ti4(OH)2O2(SiO4)3]•9H2O P 4 3m 4 3m
 
78.00.00.00 Ivanyukite-Na Na2[Ti4O2(OH)2(SiO4)3]•6H2O P 4 3m 4 3m
 
78.00.00.00 Plumbophyllite Pb2Si4O10•H2O P bcn 2/m 2/m 2/m
 
78.00.00.00 Sturtite? (Fe3)(Mn2,Ca,Mg)Si4O10(OH)3•10(H2O) None
Help on Strunz Class: Strunz Class: 09.ED.10 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.ED -Phyllosilicates with kaolinite layers
 
09.ED.10 Endellite! Al2Si2O5(OH)4•2(H2O) Cc m
 
09.ED.10 Hisingerite Fe2Si2O5(OH)4•2(H2O) Unk Mono
 
09.ED.10 Halloysite Al2Si2O5(OH)4 Cc m
 
09.ED.10 Sturtite? (Fe3)(Mn2,Ca,Mg)Si4O10(OH)3•10(H2O) None
 

Other Sturtite Information
Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Sturtite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

Search for Sturtite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Sturtite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Sturtite Mineral Data :

Ask about Sturtite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Sturtite

(Fe3+)(Mn2+,Ca,Mg)Si4O10(OH)3•10(H2O)
Dana No: 78.00.00.00 Strunz No: 09.ED.10
Locality:

 

Notes: