Manganvesuvianite Mineral Data

Manganvesuvianite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About


General Manganvesuvianite Information

Help on Chemical Formula: Chemical Formula: Ca19Mn+++(Al,Mn+++,Fe+++)10(Mg,Mn++)2Si18O69(OH)9
Help on Composition: Composition: Molecular Weight = 2,951.26 gm
   Calcium    25.67 %  Ca   35.91 % CaO
   Magnesium   1.40 %  Mg    2.32 % MgO
   Manganese   4.84 %  Mn    0.96 % MnO /  5.88 % Mn2O3
   Aluminum    7.86 %  Al   14.86 % Al2O3
   Iron        0.76 %  Fe    1.08 % Fe2O3
   Silicon    16.94 %  Si   36.24 % SiO2
   Hydrogen    0.30 %  H     2.72 % H2O
   Oxygen     42.23 %  O
             ______        ______ 
             100.00 %       99.97 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca18.9Mn3+Al8.6Mn3+1.2Fe3+0.4Mg1.7Mn2+0.4Si17.8O69(OH)8.9
Help on Environment: Environment: Hydrothermal alteration of primary Mn ores. Found in vugs and veins. Mn-analogue of vesuvianite; structure
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Wessels and N'Chwaning II mines, Kalahari manganese fields, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the relationship to vesuvianite (idocrase) and Mn.
Help on Name Pronunciation: Name Pronunciation: Manganvesuvianite Say MANGANVESUVIANITE
Help on Synonym: Synonym: IMA2000-040
  Idocrase - Mn bearing
  Manganidocrase
  Vesuvianite - Mn bearing
 

Manganvesuvianite Image

Click Here for Larger Manganvesuvianite Image in a New Browser Window Images:
Click Here for Larger Manganvesuvianite Image

Manganvesuvianite

Comments: Dark cherry red prismatic, crystals or manganvisuvianite to 2mm on matrix.
Location: N'Chwanning mine, Kalahari Mn Field, North Cape Province, South Africa. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Manganvesuvianite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.75931
Help on Cell Dimensions: Cell Dimensions: a = 15.572, c = 11.824, Z = 2; V = 2,867.17 Den(Calc)= 3.42
Help on Crystal System: Crystal System: Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: P 4/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.956(1), 2.756(0.94), 2.756(0.87),2.604(0.67), 2.598(0.66), 2.598(0.62), 2.753(0.6),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 1 0 1) ( 1 0 0) ( 1 1 0)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Manganvesuvianite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Armbruster T , Gnos E , Dixon R , Gutzmer J , Hejny C , Dobelin N , Medenbach O , Mineralogical Magazine , 66 (2002) p.137-150, Manganvesuvianite and tweddillite, two new Mn3+-silicate minerals, from the Kalahari manganese fields, South Africa, Locality: Kalahari manganese fields, South Africa

 

Physical Properties of Manganvesuvianite

Help on Color: Color: Deep maroon red.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Subconchoidal - Brittle frature with subconchoidal fragments
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 6-7 - Orthoclase-Quartz
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Manganvesuvianite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.029 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.212,KC= 0.2184
Ncalc = 1.75
Help on Optical Data: Optical Data: Uniaxial (-), e=1.719, w=1.731, bire=0.0120.
 

Calculated Properties of Manganvesuvianite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.40 gm/cc
note: Specific Gravity of Manganvesuvianite =3.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEManganvesuvianite = 5.50 barns/electron
U=PEManganvesuvianite x rElectron Density= 18.71 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Manganvesuvianite is Not Radioactive
 

Manganvesuvianite Classification
Help on Dana Class: Dana Class: 58.02.04.04 (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
  (58.02)with cations in [6] and higher coordination; single and double groups (n=1,2)
  (58.02.04)Vesuvianite Group
 
58.02.04.01 Vesuvianite Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 P 4/n 4/m
 
58.02.04.02 Wiluite! Ca19(Al,Mg,Fe,Ti)13(B,Al,[])5Si18O68(O,OH)10 P 4/nnc 4/m 2/m 2/m
 
58.02.04.03 Fluorvesuvianite! Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 P 4/nnc 4/m 2/m 2/m
 
58.02.04.04 Manganvesuvianite! Ca19Mn(Al,Mn,Fe)10(Mg,Mn)2Si18O69(OH)9 P 4/n 4/m
Help on Strunz Class: Strunz Class: 09.BG.35 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BG -Sorosilicates with mixed SiO4 and Si2O7 groups;
 
09.BG.35 Vesuvianite Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 P 4/n 4/m
 
09.BG.35 Fluorvesuvianite! Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 P 4/nnc 4/m 2/m 2/m
 
09.BG.35 Wiluite! Ca19(Al,Mg,Fe,Ti)13(B,Al,[])5Si18O68(O,OH)10 P 4/nnc 4/m 2/m 2/m
 
09.BG.35 Manganvesuvianite! Ca19Mn(Al,Mn,Fe)10(Mg,Mn)2Si18O69(OH)9 P 4/n 4/m
 

Other Manganvesuvianite Information
Help on References: References: NAME( AmMin, Vol 88, p 251) PHYS. PROP.(AmMin, Vol 88, p 251) OPTIC PROP.(AmMin, Vol 88, p 251)
Help on See Also: See Also: Links to other databases for Manganvesuvianite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Manganvesuvianite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Manganvesuvianite :

A Bijoux Google Search for Manganvesuvianite
Adam's Minerals Google Search for Manganvesuvianite
Cape Minerals Google Search for Manganvesuvianite
Dakota Matrix Minerals Google Search for Manganvesuvianite
Excalibur Mineral Corp. Google Search for Manganvesuvianite
Exceptional Minerals Google Search for Manganvesuvianite
John Betts Fine Minerals Search for Manganvesuvianite
McDougall Minerals Google Search for Manganvesuvianite
Mineral News Website Link
Rock and Mineral Shows Google Search for Manganvesuvianite
Weinrich Minerals, Inc. Google Search for Manganvesuvianite

Ask about Manganvesuvianite 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 Manganvesuvianite Specimen Label here :

Manganvesuvianite

Ca19Mn+++(Al,Mn+++,Fe+++)10(Mg,Mn++)2Si18O69(OH)9
Dana No: 58.02.04.04 Strunz No: 09.BG.35
Locality:

 

Notes: