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Neotocite Mineral Data
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General Neotocite Information
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 Chemical Formula: |
(Mn,Fe++)SiO3•(H2O) (?) |
| Composition: |
Molecular Weight = 149.26 gm |
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Manganese 27.60 % Mn 35.64 % MnO |
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Iron 9.35 % Fe 12.03 % FeO |
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Silicon 18.82 % Si 40.25 % SiO2 |
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Hydrogen 1.35 % H 12.07 % H2O |
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Oxygen 42.88 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+0.75Fe2+0.25SiO3•(H2O) |
| Environment: |
Secondary mineral from the alteration of rhodonite and other manganese silicates. |
| IMA Status: |
Valid Species (Pre-IMA) 1848 |
| Locality: |
Eric-Ers mine, Torsaker, Gastrikland, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek "Neotokos" = of recent origin, being a product of deterioration of other species. |
| Name Pronunciation: |
Neotocite + Pronunciation  |
| Synonym: |
Chinglusuite |
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Penwithite |
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Stratopeite |
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Sturtite |
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Neotocite Image |
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Images:
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Neotocite Crystallography
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| Crystal System: |
Amorphous- No Crystals |
| X Ray Diffraction: |
By Intensity(I/Io): 1.54(1), 3.59(1), 4.36(1), |
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Physical Properties of Neotocite
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| Cleavage: |
None |
| Color: |
Black, Dark brown, Liver brown. |
| Density: |
2.8 |
| Diaphaneity: |
Opaque |
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
| Habit: |
Amorphous - No crystalline form or imitative shape. |
| Habit: |
Colloform - Forming from a gel or colloidal mass. |
| Hardness: |
3-4 - Calcite-Fluorite |
| Luster: |
Resinous |
| Streak: |
brown |
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Optical Properties of Neotocite
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| Optical Data: |
NCalc= 1.61 - from Gladstone-Dale relationship (KC = 0.2176) where Ncalc=Dmeas*KC+1 |
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Calculated Properties of Neotocite
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| Electron Density: |
Bulk Density (Electron Density)=2.75 gm/cc
note: Specific Gravity of Neotocite =2.80 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PENeotocite = 10.49 barns/electron
U=PENeotocite x rElectron Density= 28.82 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Neotocite is Not Radioactive |
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Neotocite Classification
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| Dana Class: |
71.01.04.04 (71)Phyllosilicate Sheets of Six-Membered Rings |
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(71.01)with 1:1 layers |
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(71.01.04)Allophane group |
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71.01.04.01 Allophane Al2O3•(SiO2)1.3-2•((H2O))2.5-3 None |
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71.01.04.02 Hisingerite Fe2Si2O5(OH)4•2(H2O) Unk Mono |
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71.01.04.03 Imogolite Al2SiO3(OH)4 ? Mono |
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71.01.04.04 Neotocite (Mn,Fe)SiO3•(H2O)(?) None |
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71.01.04.05 Zinalsite! Zn2AlSi2O5(OH)4•2(H2O)(?) Mono |
| Strunz Class: |
09.ED.20 09 - SILICATES (Germanates) |
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09.E - Phyllosilicates |
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09.ED -Phyllosilicates with kaolinite layers |
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09.ED.20 Allophane Al2O3•(SiO2)1.3-2•((H2O))2.5-3 None |
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09.ED.20 Chrysocolla (Cu,Al)2H2Si2O5(OH)4•n(H2O) Unk Ortho |
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09.ED.20 Neotocite (Mn,Fe)SiO3•(H2O)(?) None |
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09.ED.20 Imogolite Al2SiO3(OH)4 ? Mono |
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Other Neotocite Information
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| References: |
NAME( Ford32) PHYS. PROP.(Ford32) |
| 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 :
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Neotocite
(Mn,Fe++)SiO3•(H2O) (?)
Dana No: 71.01.04.04 Strunz No: 09.ED.20
Locality:
Notes:
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