Attakolite Mineral Data

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


General Attakolite Information

Help on Chemical Formula: Chemical Formula: (Ca,Sr)Mn++(Al,Fe+++)4[(Si,P)O4]H(PO4)3(OH)4
Help on Composition: Composition: Molecular Weight = 668.01 gm
   Strontium    2.62 %  Sr    3.10 % SrO
   Calcium      4.80 %  Ca    6.72 % CaO
   Manganese    8.22 %  Mn   10.62 % MnO
   Aluminum    14.94 %  Al   28.24 % Al2O3
   Iron         2.51 %  Fe    3.59 % Fe2O3
   Silicon      2.94 %  Si    6.30 % SiO2
   Phosphorus  15.30 %  P    35.06 % P2O5
   Hydrogen     0.75 %  H     6.74 % H2O
   Oxygen      47.90 %  O
              ______        ______ 
              100.00 %      100.36 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.8Sr0.2Mn2+Al3.7Fe3+0.3H(SiO4)0.7(PO4)3.3(OH)4
Help on Environment: Environment: In an iron deposit.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1868
Help on Locality: Locality: Vatana mine, near Nasum, Kristianstad, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for "salmon" for the pale pink color.
Help on Name Pronunciation: Name Pronunciation: Attakolite + Pronunciation Say ATTAKOLITE
Help on Synonym: Synonym: Attacolite
  ICSD 67528
  PDF 18-146
 

Attakolite Image

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

Attakolite

Comments: Pink to yellowish attakolite with black hematite.
Location: Vestana Iron Mine, near Nasum, Skane, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Attakolite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.4976:1:0.6379
Help on Cell Dimensions: Cell Dimensions: a = 17.188, b = 11.477, c = 7.322, Z = 4; beta = 113.83° V = 1,321.25 Den(Calc)= 3.36
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): 3.077(1), 2.4(0.4), 3.121(0.3),
Click Here for Large Attakolite 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


Grice J D , Dunn P J , American Mineralogist , 77 (1992) p.1285-1291, Attakolite: New data and crystal-structure determination

 

Physical Properties of Attakolite

Help on Color: Color: White, Pink, Pale red.
Help on Density: Density: 3.09 - 3.23, Average = 3.16
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 5 - Apatite
 

Optical Properties of Attakolite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.062 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1964,KPDmeas= 0.2088,KC= 0.2094
Ncalc = 1.65 - 1.7
Help on Optical Data: Optical Data: Biaxial (+), a=1.65-1.655, b=1.654-1.664, g=1.661-1.675, bire=0.0110-0.0200, 2V(Calc)=76-86, 2V(Meas)=75-84.
 

Calculated Properties of Attakolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.11 gm/cc
note: Specific Gravity of Attakolite =3.16 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.00403828
Boson Index = 0.99596172
Help on Photoelectric: Photoelectric: PEAttakolite = 7.52 barns/electron
U=PEAttakolite x rElectron Density= 23.39 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Attakolite is Not Radioactive
 

Attakolite Classification
Help on Dana Class: Dana Class: 43.04.13.01 (43)Compound Phosphates, etc.
  (43.04)(Anhydrous Compound Anions With Hydroxyl or Halogen)
  (43.04.13)Dana Group
 
43.04.13.01 Attakolite (Ca,Sr)Mn(Al,Fe)4[(Si,P)O4]H(PO4)3(OH)4 C 2/m 2/m
Help on Strunz Class: Strunz Class: 08.BH.60 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BH -With medium-sized and large cations, (OH,etc.):RO4 = 1:1
 
08.BH.60 Attakolite (Ca,Sr)Mn(Al,Fe)4[(Si,P)O4]H(PO4)3(OH)4 C 2/m 2/m
 

Other Attakolite Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(AntBidBlaNic2)
Help on See Also: See Also: Links to other databases for Attakolite :
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 (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Attakolite using:

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

Visit our Advertisers for Attakolite :

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

Ask about Attakolite 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 Attakolite Specimen Label here :

Attakolite

(Ca,Sr)Mn++(Al,Fe+++)4[(Si,P)O4]H(PO4)3(OH)4
Dana No: 43.04.13.01 Strunz No: 08.BH.60
Locality:

 

Notes: