Ashburtonite Mineral Data

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



[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop


General Ashburtonite Information

Help on Chemical Formula: Chemical Formula: HPb4Cu++4Si4O12(HCO3)4(OH)4Cl
Help on Composition: Composition: Molecular Weight = 1,735.88 gm
   Copper    14.64 %  Cu   18.33 % CuO
   Silicon    6.47 %  Si   13.85 % SiO2
   Hydrogen   0.52 %  H     4.67 % H2O
   Lead      47.75 %  Pb   51.43 % PbO
   Carbon     2.77 %  C    10.14 % CO2
   Chlorine   2.04 %  Cl    2.04 % Cl
               -   %   Cl   -0.46 % -O=Cl2   
   Oxygen    25.81 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: HPb4Cu4Si4O12(HCO3)4(OH)4Cl
Help on Environment: Environment: Secondary minerals in a weathered shear zone that cuts a series of shales and graywackes.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Anticline prospect, on Mineral Claim 84, which is on the Ashburton Downs pastoral lease, 11.2 km west-southwest of Ashburton Downs homestead. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Ashburtonite + Pronunciation Say ASHBURTONITE
Help on Synonym: Synonym: ICSD 80794
  IMA1990-033
  PDF 44-1406
 

Ashburtonite Image

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

Ashburtonite

Comments: Blue-green crystalline crust of ashburtonite on matrix.
Location: Anticline Deposit, Ashburton Downs, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ashburtonite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.42876
Help on Cell Dimensions: Cell Dimensions: a = 14.234, c = 6.103, Z = 2; V = 1,236.51 Den(Calc)= 4.66
Help on Crystal System: Crystal System: Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: I 4/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.333(1), 4.495(1), 10.2(1),
Click Here for Large Ashburtonite 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 , Nickel E H , Gault R A , American Mineralogist , 76 (1991) p.1701-1707, Ashburtonite, a new bicarbonate-silicate mineral from Ashburton Downs, Western, Australia: Description and structure determination

 

Physical Properties of Ashburtonite

Help on Cleavage: Cleavage: None
Help on Color: Color: Blue.
Help on Density: Density: 4.69
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light blue
 

Optical Properties of Ashburtonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.011 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1702,KPDmeas= 0.1691,KC= 0.1721
Ncalc = 1.8 - 1.81
Help on Optical Data: Optical Data: Uniaxial (+), w=1.786, e=1.8, bire=0.0140.
 

Calculated Properties of Ashburtonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.16 gm/cc
note: Specific Gravity of Ashburtonite =4.66 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PEAshburtonite = 829.28 barns/electron
U=PEAshburtonite x rElectron Density=3,446.20 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ashburtonite is Not Radioactive
 

Ashburtonite Classification
Help on Dana Class: Dana Class: 78.04.02.01 (78)Unclassified silicates
  (78.04)possible inosilicates
  (78.04.02)Dana Group
 
78.04.02.01 Ashburtonite HPb4Cu4Si4O12(HCO3)4(OH)4Cl I 4/m 4/m
Help on Strunz Class: Strunz Class: 09.CF.05 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CF -[Si4O12]8- 4-membered single rings, with insular complex anions
 
09.CF.05 Ashburtonite HPb4Cu4Si4O12(HCO3)4(OH)4Cl I 4/m 4/m
 

Other Ashburtonite Information
Help on References: References: NAME( AmMin, v76:1701) PHYS. PROP.(Am.Min.,Vol.76,p1701-1707,1991) OPTIC PROP.(Am.Min.,Vol.76,p1701-1707,1991)
Help on See Also: See Also: Links to other databases for Ashburtonite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Ashburtonite using:

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

Visit our Advertisers for Ashburtonite :

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 Ashburtonite Mineral Data :

Ask about Ashburtonite 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 Ashburtonite Specimen Label here :

Ashburtonite

HPb4Cu++4Si4O12(HCO3)4(OH)4Cl
Dana No: 78.04.02.01 Strunz No: 09.CF.05
Locality:

 

Notes: