Mineralogy Database

Neotocite Mineral Data

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General Neotocite Information

Help on Chemical  Formula: Chemical Formula: (Mn,Fe++)SiO3•(H2O) (?)
Help on Composition: Composition: Molecular Weight = 149.26 gm
   Manganese  27.60 %  Mn   35.64 % MnO
   Iron        9.35 %  Fe   12.03 % FeO
   Silicon    18.82 %  Si   40.25 % SiO2
   Hydrogen    1.35 %  H    12.07 % H2O
   Oxygen     42.88 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+0.75Fe2+0.25SiO3•(H2O)
Help on Environment: Environment: Secondary mineral from the alteration of rhodonite and other manganese silicates.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1848
Help on Locality: Locality: Eric-Ers mine, Torsaker, Gastrikland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek "Neotokos" = of recent origin, being a product of deterioration of other species.
Help on Name Pronunciation: Name Pronunciation: Neotocite + Pronunciation Say NEOTOCITE
Help on Synonym: Synonym: Chinglusuite
  Penwithite
  Stratopeite
  Sturtite
 

Neotocite Image

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  Neotocite

Comments: Dark brown resinous massive neotocite.
Location: Buzzarla Mine, San Luis Obispo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Neotocite Crystallography

Help on Crystal System: Crystal System: Amorphous- No Crystals
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.54(1), 3.59(1), 4.36(1),
 

Physical Properties of Neotocite

Help on Cleavage: Cleavage: None
Help on Color: Color: Black, Dark brown, Liver brown.
Help on Density: Density: 2.8
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Amorphous - No crystalline form or imitative shape.
Help on Habit: Habit: Colloform - Forming from a gel or colloidal mass.
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Resinous
Help on Streak: Streak: brown
 

Optical Properties of Neotocite

Help on Optical Data: Optical Data: NCalc= 1.61 - from Gladstone-Dale relationship (KC = 0.2176) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Neotocite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.75 gm/cc
note: Specific Gravity of Neotocite =2.80 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PENeotocite = 10.49 barns/electron
U=PENeotocite x rElectron Density= 28.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Neotocite is Not Radioactive
 

Neotocite Classification

Help on  Dana Class: Dana Class: 71.01.04.04 (71)Phyllosilicate Sheets of Six-Membered Rings
  (71.01)with 1:1 layers
  (71.01.04)Allophane group
 
71.01.04.01 Allophane Al2O3•(SiO2)1.3-2•((H2O))2.5-3 None
 
71.01.04.02 Hisingerite Fe2Si2O5(OH)4•2(H2O) Unk Mono
 
71.01.04.03 Imogolite Al2SiO3(OH)4 ? Mono
 
71.01.04.04 Neotocite (Mn,Fe)SiO3•(H2O)(?) None
 
71.01.04.05 Zinalsite! Zn2AlSi2O5(OH)4•2(H2O)(?) Mono
Help on  Strunz Class: Strunz Class: 09.ED.20 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.ED -Phyllosilicates with kaolinite layers
 
09.ED.20 Allophane Al2O3•(SiO2)1.3-2•((H2O))2.5-3 None
 
09.ED.20 Chrysocolla (Cu,Al)2H2Si2O5(OH)4•n(H2O) Unk Ortho
 
09.ED.20 Neotocite (Mn,Fe)SiO3•(H2O)(?) None
 
09.ED.20 Imogolite Al2SiO3(OH)4 ? Mono
 

Other Neotocite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Neotocite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - Franklin Minerals(Dunn)
8 - Franklin Minerals(Palache)
9 - GeoScienceWorld
10 - Google Images
11 - Google Scholar
12 - Handbook of Mineralogy (MinSocAm)
13 - Handbook of Mineralogy (UofA)
14 - MinDAT
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - QUT Mineral Atlas
18 - Ruff.Info

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

Neotocite

(Mn,Fe++)SiO3•(H2O) (?)
Dana No: 71.01.04.04 Strunz No: 09.ED.20
Locality:

 

Notes:

 

 
   
 


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