Vivianite  Mineral Data

Vivianite Mineral Data

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


General Vivianite Information

Help on Chemical  Formula: Chemical Formula: Fe++3(PO4)2•8(H2O)
Help on Composition: Composition: Molecular Weight = 501.61 gm
   Iron        33.40 %  Fe   42.97 % FeO
   Phosphorus  12.35 %  P    28.30 % P2O5
   Hydrogen     3.22 %  H    28.73 % H2O
   Oxygen      51.03 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+3(PO4)2•8(H2O)
Help on Environment: Environment: Common secondary mineral in the gossan of metallic ore deposits, pegmatites, sedimentary authigenic mineralization in association with organic materials.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1817
Help on Locality: Locality: St. Agnes, Cornwall, England Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the English mineralogist, J. G. Vivian.
Help on Name Pronunciation: Name Pronunciation: Vivianite + Pronunciation Say VIVIANITE
Help on Synonym: Synonym: Blue Iron Earth
  ICSD 200703
  PDF 30-662
 

Vivianite Image

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

Vivianite

Comments: Transparent, bluish crystal aggregate of vivianite on matrix.
Location: Santa Eulalia, Chihuahua, Mexico. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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

Vivianite   Maricite

Comments: Brown maricite nodule with internal radiating structure, with blue vivianite.
Location: Big Fish River, Yukon Territory, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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

Vivianite   Eosphorite

Comments: Bottle-green translucent vivianite crystal (2cm) associated with reddish, micro eosphorite crystals.
Location: Lavra do Énio pegmatite, Galiléia, Governador Valadares, Rio Doce, Minas Gerais, Brazil. Scale: 3.5 x 3 x 2 cm..
© Tom Loomis / Dakota Matrix

Vivianite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7501:1:0.3501
Help on Cell Dimensions: Cell Dimensions: a = 10.06, b = 13.41, c = 4.696, Z = 2; beta = 104.3° V = 613.88 Den(Calc)= 2.71
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.8(1), 2.71(0.67), 2.97(0.67),
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: ( 0 1 0) ( 2 0 1) ( 2 2 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 Vivianite 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


Takagi S , Mathew M , Brown W E , American Mineralogist , 71 (1986) p.1229-1233, Crystal structures of bobierrite and synthetic Mg3(PO4)2.8H2O

 

Physical Properties of Vivianite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Colorless, Green, Blue, Dark green, Dark bluish green.
Help on Density: Density: 2.6 - 2.7, Average = 2.65
Help on Diaphaneity: Diaphaneity: Transparent to translucent to opaque
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Concretionary - Rounded massive fine-grained materials.
Help on Habit: Habit: Divergent - Crystals radiate from a center without producing stellar forms.
Help on Habit: Habit: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: bluish white
 

Optical Properties of Vivianite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.036 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2332,KPDmeas= 0.2385,KC= 0.2303
Ncalc = 1.6 - 1.62
Help on Optical Data: Optical Data: Biaxial (+), a=1.58-1.626, b=1.598-1.662, g=1.627-1.699, bire=0.0470-0.0730, 2V(Calc)=78-88, 2V(Meas)=63.5-83.5. Dispersion none.
Help on Pleochroism (x): Pleochroism (x): cobalt blue.
Help on Pleochroism (y): Pleochroism (y): pale greenish yellow.
 

Calculated Properties of Vivianite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.72 gm/cc
note: Specific Gravity of Vivianite =2.71 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0073307814
Boson Index = 0.9926692186
Help on Photoelectric: Photoelectric: PEVivianite = 10.34 barns/electron
U=PEVivianite x rElectron Density= 28.16 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vivianite is Not Radioactive
 

Vivianite Classification

Help on  Dana Class: Dana Class: 40.03.06.01 (40)Hydrated Phosphates, etc
  (40.03)where (A++)3 (XO4)2 · x(H2O)
  (40.03.06)Vivianite Group
 
40.03.06.01 Vivianite Fe3(PO4)2•8(H2O) C 2/m 2/m
 
40.03.06.02 Baricite (Mg,Fe)3(PO4)2•8(H2O) C 2/m 2/m
 
40.03.06.03 Erythrite Co3(AsO4)2•8(H2O) I2/m 2/m
 
40.03.06.04 Annabergite Ni3(AsO4)2•8(H2O) I2/m 2/m
 
40.03.06.05 Kottigite Zn3(AsO4)2•8(H2O) C 2/m 2/m
 
40.03.06.06 Parasymplesite Fe3(AsO4)2•8(H2O) C 2/m 2/m
 
40.03.06.07 Hornesite Mg3(AsO4)2•8(H2O) I2/m 2/m
 
40.03.06.08 Arupite (Ni,Fe)3(PO4)2•8(H2O) I2/m 2/m
 
40.03.06.09 Pakhomovskyite! Co3(PO4)2•8(H2O) C 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.CE.40 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CE -With only medium-sized cations, RO4:H2O £ 1:2.5
 
08.CE.40 Arupite (Ni,Fe)3(PO4)2•8(H2O) I2/m 2/m
 
08.CE.40 Annabergite Ni3(AsO4)2•8(H2O) I2/m 2/m
 
08.CE.40 Baricite (Mg,Fe)3(PO4)2•8(H2O) C 2/m 2/m
 
08.CE.40 Erythrite Co3(AsO4)2•8(H2O) I2/m 2/m
 
08.CE.40 Ferrisymplesite Fe3(AsO4)2(OH)3•5(H2O) None
 
08.CE.40 Hornesite Mg3(AsO4)2•8(H2O) I2/m 2/m
 
08.CE.40 Kottigite Zn3(AsO4)2•8(H2O) C 2/m 2/m
 
08.CE.40 Manganohornesite (Mn,Mg)3(AsO4)2•8(H2O) P 21/c 2/m
 
08.CE.40 Parasymplesite Fe3(AsO4)2•8(H2O) C 2/m 2/m
 
08.CE.40 Vivianite Fe3(PO4)2•8(H2O) C 2/m 2/m
 
08.CE.40 Pakhomovskyite! Co3(PO4)2•8(H2O) C 2/m 2/m
 

Other Vivianite Information

Help on See Also: See Also: Links to other databases for Vivianite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - CalTech Mineral Spectroscopy
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - HyperPhysics
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST
19 - YupRocks
20 - theimage

Search for Vivianite using:

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

Visit our Advertisers for Vivianite :

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

Ask about Vivianite 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 Español

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

Vivianite

Fe++3(PO4)2•8(H2O)
Dana No: 40.03.06.01 Strunz No: 08.CE.40
Locality:

 

Notes: