Footemineite Mineral Data

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



[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store]
See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM]
Rare Minerals, Meteorites, Equipment and Analytical Services
Excalibur Mineral Company, World leaders in the supply of rare species
Serving the scientific and collector communities since 1974


General Footemineite Information

Help on Chemical Formula: Chemical Formula: Ca2Mn++Mn++2Mn++2Be4(PO4)6(OH)4•6H2O
Help on Composition: Composition: Molecular Weight = 1,122.79 gm
   Barium       0.24 %  Ba    0.27 % BaO
   Strontium    0.23 %  Sr    0.28 % SrO
   Lithium      0.11 %  Li    0.23 % Li2O
   Calcium      6.75 %  Ca    9.44 % CaO
   Magnesium    0.11 %  Mg    0.18 % MgO
   Manganese   20.31 %  Mn   26.22 % MnO
   Beryllium    3.45 %  Be    9.58 % BeO
   Aluminum     0.07 %  Al    0.14 % Al2O3
   Iron         2.59 %  Fe    2.75 % FeO /  0.64 % Fe2O3
   Silicon      0.20 %  Si    0.43 % SiO2
   Phosphorus  16.03 %  P    36.73 % P2O5
   Hydrogen     1.47 %  H    13.12 % H2O
   Oxygen      48.45 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.89Sr0.03Ba0.02Mn2+0.9Li0.17Mg0.05Mn2+3.25Fe2+0.43Fe3+0.09Al0.03Be4.3P5.81 Si0.08O24(OH)3.64(H2O)0.36·6(H2O)
Help on Environment: Environment: Late fracture-filling mineral in a quartz-microcline-spodumene pegmatite. Dimorphous with roscherite. Isostructural with atencioite.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Foote Mine, Kings Mountain District, Cleveland Co.unty, North Carolina, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2006-029
  Roscherite (C-1)
  Roscherite-1A
  Triclinic-roscherite
 

Footemineite Image

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

Footemineite

Comments: Yellow, barrel-shaped, prismatic footemineite crystal (AmMin v93:2.
Location: Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, U.S.A. Scale: Crystal size 0.8 mm.
© American Mineralogist

Footemineite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6807:1:1.0042
Help on Cell Dimensions: Cell Dimensions: a = 6.788, b = 9.972, c = 10.014, Z = 2; alpha = 73.84°, beta = 85.34°, gamma = 87.44° V = 648.26 Den(Calc)= 5.75
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.998(1)(011), 9.575(0.53)(010), 3.192(0.44)(210),2.803(0.38)(103), 2.65(0.29)(202), 4.848(0.26)(021), 2.424(0.14)(231), 3.003(0.14)(022),
Click Here for Large Footemineite 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


Atencio D , Matioli P A , Smith J B , Chukanov N V , Coutinho J M V , Rastsvetaeva R K , Mockel S , American Mineralogist , 93 (2008) p.1-6, Footemineite, the Mn-analog of atencioite, from the Foote mine, Kings Mountain,, Cleveland County, North Carolina, U.S.A., and its relationship with other, roscherite-group minerals, Locality: Foote mine, Kings Mountain, Cleveland County, North Carolina, USA

 

Physical Properties of Footemineite

Help on Cleavage: Cleavage: {011} Good, {100} Good
Help on Color: Color: Yellow.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white
 

Optical Properties of Footemineite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.496 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.109,KC= 0.2165
Ncalc = 2.24
Help on Optical Data: Optical Data: Biaxial (+), a=1.62, b=1.627, g=1.634, bire=0.0140, 2V(Calc)=88, 2V(Meas)=80. Dispersion r < v or r>v, weak.
 

Calculated Properties of Footemineite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.66 gm/cc
note: Specific Gravity of Footemineite =5.75 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEFootemineite = 8.80 barns/electron
U=PEFootemineite x rElectron Density= 49.80 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Footemineite is Not Radioactive
 

Footemineite Classification
Help on Dana Class: Dana Class: 42.07.07.07 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.07)where (AB)5 (XO4)3 Zq · x(H2O)
  (42.07.07)Roscherite group
 
42.07.07.01 Roscherite Ca(Mn,Fe)5Be4(PO4)6(OH)4•6(H2O) C1 1
 
42.07.07.03 Zanazziite Ca2(Mg,Fe)(Mg,Fe,Al,Mn,Fe)4Be4(PO4)6(OH)4•6(H2O) C 2/c 2/m
 
42.07.07.04 Greifensteinite! Ca2Be4(Fe,Mn)5(PO4)6(OH)4•6(H2O) C 2/c 2/m
 
42.07.07.05 Atencioite! Ca2Fe[]Mg2Fe2Be4(PO4)6(OH)4•6H2O P1 1
 
42.07.07.06 Guimaraesite Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4•6H2O C 2/c 2/m
 
42.07.07.07 Footemineite! Ca2MnMn2Mn2Be4(PO4)6(OH)4•6H2O P1 1
 
42.07.07.08 Ruifrancoite! Ca2([],Mn)2(Fe,Mn,Mg)4Be4(PO4)6(OH)4•6H2O C 2/c 2/m
Help on Strunz Class: Strunz Class: 08.DA.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DA -With small (and occasionally larger) cations
 
08.DA.10 Roscherite Ca(Mn,Fe)5Be4(PO4)6(OH)4•6(H2O) C1 1
 
08.DA.10 Zanazziite Ca2(Mg,Fe)(Mg,Fe,Al,Mn,Fe)4Be4(PO4)6(OH)4•6(H2O) C 2/c 2/m
 
08.DA.10 Footemineite! Ca2MnMn2Mn2Be4(PO4)6(OH)4•6H2O P1 1
 
08.DA.10 Atencioite! Ca2Fe[]Mg2Fe2Be4(PO4)6(OH)4•6H2O P1 1
 
08.DA.10 Greifensteinite! Ca2Be4(Fe,Mn)5(PO4)6(OH)4•6(H2O) C 2/c 2/m
 
08.DA.10 Ruifrancoite! Ca2([],Mn)2(Fe,Mn,Mg)4Be4(PO4)6(OH)4•6H2O C 2/c 2/m
 
08.DA.10 Guimaraesite Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4•6H2O C 2/c 2/m
 

Other Footemineite Information
Help on References: References: NAME( AmMin, v93:1) PHYS. PROP.(AmMin, v93:1) OPTIC PROP.(AmMin, v93:1)
Help on See Also: See Also: Links to other databases for Footemineite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Footemineite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Footemineite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Footemineite Mineral Data :

Ask about Footemineite 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 Footemineite Specimen Label here :

Footemineite

Ca2Mn++Mn++2Mn++2Be4(PO4)6(OH)4•6H2O
Dana No: 42.07.07.07 Strunz No: 08.DA.10
Locality:

 

Notes: