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Maufite Mineral Data

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General Maufite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Ni)Al4Si3O13•4(H2O) (?)
Help on Composition: Composition: Molecular Weight = 505.14 gm
   Magnesium   3.61 %  Mg    5.98 % MgO
   Aluminum   21.37 %  Al   40.37 % Al2O3
   Silicon    16.68 %  Si   35.68 % SiO2
   Nickel      2.90 %  Ni    3.70 % NiO
   Hydrogen    1.60 %  H    14.27 % H2O
   Oxygen     53.84 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg0.75Ni0.25Al4Si3O13•4(H2O)
Help on Environment: Environment: As a seam in serpentine adjacent to a diabase dike. Maufite (1930) is an inadequately described species now considered to be interstratified clinochlore-lizardite.
Help on IMA Status: IMA Status: Discredited IMA 2006 - Valid Species (Pre-IMA) 1930
Help on Locality: Locality: On Ruorka Ranch, 2.4 km northeast of the Umvukwe geodetic beacon, Mazoe district, Umvukwe Mountains, Zimbabwe. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Herbert Brantwood Maufe (1879-1976), director of the Geological Service of Rhodesia
Help on Name Pronunciation: Name Pronunciation: Maufite Say MAUFITE
 

Maufite Crystallography

Help on Crystal System: Crystal System: Monoclinic Space Group: Mono ?
 

Physical Properties of Maufite

Help on Color: Color: Emerald green.
Help on Density: Density: 2.27
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Regular - Flat surfaces (not cleavage) fractured in a regular pattern.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Wheat Sheaf - Bundle shaped aggregates resembling wheat sheafs after hand reaping wheat.
Help on Hardness: Hardness: 3 - Calcite
Help on Streak: Streak: greenish white
 

Optical Properties of Maufite

Help on Optical Data: Optical Data: NCalc= 1.51 - from Gladstone-Dale relationship (KC = 0.2248) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Maufite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.28 gm/cc
note: Specific Gravity of Maufite =2.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEMaufite = 2.50 barns/electron
U=PEMaufite x rElectron Density= 5.71 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Maufite is Not Radioactive
 

Maufite Classification

Help on  Dana Class: Dana Class: 78.07.13.01 (78)Unclassified silicates
  (78.07)wholly unclassified silicates
  (78.07.13)Dana Group
 
78.07.13.01 Maufite? (Mg,Ni)Al4Si3O13•4(H2O)(?) Mono ? Mono
Help on  Strunz Class: Strunz Class: 09.ED.15 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.ED -Phyllosilicates with kaolinite layers
 
09.ED.15 Clinochrysotile? Mg3Si2O5(OH)4 Cc, C 2/m Mono
 
09.ED.15 Berthierine (Fe,Fe,Al,Mg)2-3(Si,Al)2O5(OH)4 Cm m
 
09.ED.15 Brindleyite (Ni,Mg,Fe)2Al(SiAl)O5(OH)4 C 2 2
 
09.ED.15 Amesite Mg2Al(SiAl)O5(OH)4 C1 1
 
09.ED.15 Antigorite (Mg,Fe)3Si2O5(OH)4 Cm m
 
09.ED.15 Caryopilite (Mn,Mg,Zn,Fe)3(Si,As)2O510(OH,Cl)4 Cm or C 2/m Mono
 
09.ED.15 Fraipontite (Zn,Al)3(Si,Al)2O5(OH)4 Cm m
 
09.ED.15 Cronstedtite Fe2Fe(SiFe)O5(OH)4 P 31m 3m
 
09.ED.15 Chrysotile Mg3Si2O5(OH)4 A2/m 2/m
 
09.ED.15 Nepouite Ni3Si2O5(OH)4 Ccm21 mm2
 
09.ED.15 Greenalite (Fe,Fe)2-3Si2O5(OH)4 Unk Mono
 
09.ED.15 Kellyite (Mn,Mg,Al)3(Si,Al)2O5(OH)4 P 63 6
 
09.ED.15 Maufite? (Mg,Ni)Al4Si3O13•4(H2O)(?) Mono ? Mono
 
09.ED.15 Lizardite Mg3Si2O5(OH)4 P1 1
 
09.ED.15 Orthochrysotile? Mg3Si2O5(OH)4 Unk Ortho
 
09.ED.15 Manandonite Li2Al4[(Si2AlB)O10](OH)8 C1 1
 
09.ED.15 Pecoraite Ni3Si2O5(OH)4 C 2/m 2/m
 
09.ED.15 Parachrysotile? Mg3Si2O5(OH)4 Unk Ortho
 

Other Maufite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2)
Help on See Also: See Also: Links to other databases for Maufite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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

Maufite

(Mg,Ni)Al4Si3O13•4(H2O) (?)
Dana No: 78.07.13.01 Strunz No: 09.ED.15
Locality:

 

Notes:

 

 
   
 


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