Mineralogy Database

Methane hydrate-I Mineral Data

Search Webmineral :
  
Advertisment

General Methane hydrate-I Information

Help on Chemical  Formula: Chemical Formula: 46(H2O)•2(S)•6(L)
Help on Composition: Composition: Molecular Weight = 957.04 gm
   Hydrogen  13.06 %  H
   Carbon    10.04 %  C
   Oxygen    76.90 %  O
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: (CH4)8(H2O)46
Help on Environment: Environment: 4 - 5 deg C and 50 atmospheres. Type II structure where S=N2,CH4,H2S L=CH4,H2S,CO2. Found in subsurface gas hydrate deposits.
Help on IMA Status: IMA Status: Not Submitted IMA (Dana # Added)
Help on Locality: Locality: World wide. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition of the component chemicals.
Help on Synonym: Synonym: Methane Clathrate
  Methane hydrate
 

Methane hydrate-I Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 17.3, Z = 3; V = 5,177.72 Den(Calc)= 0.92
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3n
 

Physical Properties of Methane hydrate-I

Help on Cleavage: Cleavage: None
Help on Color: Color: White, Yellow white.
Help on Density: Density: 0.95
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Methane hydrate-I

Help on Optical Data: Optical Data: Isotropic, n=1.3.
 

Calculated Properties of Methane hydrate-I

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.04 gm/cc
note: Specific Gravity of Methane hydrate-I =0.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0014931194
Boson Index = 0.9985068806
Help on Photoelectric: Photoelectric: PEMethane hydrate-I = 0.32 barns/electron
U=PEMethane hydrate-I x rElectron Density= 0.33 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Methane hydrate-I is Not Radioactive
 

Methane hydrate-I Classification

Help on  Dana Class: Dana Class: 04.01.03.01 (04)Simple Oxides
  (04.01)with a cation charge of 1+ (A+2 O)
  (04.01.03)Gas Hydrate Group
 
04.01.03.01 Methane hydrate-I! 46(H2O)•2(S)•6(L) P m3n 4/m 3 2/m
 
04.01.03.02 Methane hydrate-II! 136(H2O)•16(S)•8(L) F d3m 4/m 3 2/m
 
04.01.03.03 Methane hydrate-H! 34(H2O)•3(S)•2(M)•1(L) P 6/mmm 6/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.XX.00 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.X - Unclassified Strunz OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, telluri
  04.XX -Oxide
 
04.XX.00 Ashanite? (Nb,Ta,U,Fe,Mn)4O8 Pcan 2/m 2/m 2/m
 
04.XX.00 Methane hydrate-I! 46(H2O)•2(S)•6(L) P m3n 4/m 3 2/m
 
04.XX.00 Clinobirnessite* Na4Mn14O27•9(H2O) Mono
 
04.XX.00 Chubutite* Pb7O6Cl2 Unk Ortho
 
04.XX.00 Kleberite* FeTi6O13•4(H2O)(?) P 63mcm ? 6mm
 
04.XX.00 Hongquiite* TiO F m3m 4/m 3 2/m
 
04.XX.00 Psilomelane? (Ba,H2O)2Mn5O10 A2/m 2/m
 
04.XX.00 Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
04.XX.00 Ungursaite* NaCa5(Ta,Nb)24O65(OH) P 63/m,P 63 Hex
 
04.XX.00 Uhligite? Ca3(Ti,Al,Zr)9O20 Unk Cubic
 
04.XX.00 Scheteligite? (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) Unk Ortho
 
04.XX.00 Allendeite! Sc4Zr3O12 R 3 3
 
04.XX.00 IMA2000-016! (Ti,Fe,Mg,Mn)1-xTi2O5 Pban 2/m 2/m 2/m
 
04.XX.00 Methane hydrate-II! 136(H2O)•16(S)•8(L) F d3m 4/m 3 2/m
 
04.XX.00 IMA2000-026! (Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32 C 2/c 2/m
 
04.XX.00 Methane hydrate-H! 34(H2O)•3(S)•2(M)•1(L) P 6/mmm 6/m 2/m 2/m
 

Other Methane hydrate-I Information

Help on References: References: PHYS. PROP.(AmMin, v 89, p1155)
Help on See Also: See Also: Links to other databases for Methane hydrate-I :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Methane hydrate-I using:

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

Visit our Advertisers for Methane hydrate-I :

[an error occurred while processing this directive]

Translate Methane hydrate-I Mineral Data :

Ask about Methane hydrate-I 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 Methane hydrate-I Specimen Label here :

Methane hydrate-I

46(H2O)•2(S)•6(L)
Dana No: 04.01.03.01 Strunz No: 04.XX.00
Locality:

 

Notes: