Maufite Mineral Data (original) (raw)

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

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Maufite Crystallography

Help on Crystal System: Crystal System:

MonoclinicSpace 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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Ask about Maufite here :
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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: