Springcreekite Mineral Data

General Springcreekite Information

Chemical Formula:

BaV+++3(PO4)2(OH,H2O)6

Composition:

Molecular Weight = 583.65 gm

Barium 23.53 % Ba 26.27 % BaO

Vanadium 26.18 % V 38.52 % V₂O₃

Phosphorus 10.61 % P 24.32 % P₂O₅

Hydrogen 1.30 % H 11.57 % H₂O

Oxygen 38.38 % O

______ ______

100.00 % 100.69 % = TOTAL OXIDE

Empirical Formula:

BaV³⁺₃(PO₄)₂(OH)_4.5(H₂O)_1.5

Environment:

In a cavity in brecciated quartz-geothite rock. A member of the crandallite group.

IMA Status:

Approved IMA 1998 (Dana # Added)

Locality:

The dumps of the Spring Creek copper mine near Wilminton, Southern Flinders Ranges, South Australia. Link to MinDat.org Location Data.

Name Origin:

Named after the locality.

Synonym:

ICSD 89037

IMA1998-048

Search for Springcreekite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Springcreekite Crystallography

Axial Ratios:

a:c = 1:2.39198

Cell Dimensions:

a = 7.258, c = 17.361, Z = 3; V = 792.03 Den(Calc)= 3.67

Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.073(1)(113), 5.9(0.9)(101), 1.971(0.5)(033),1.814(0.4)(220), 2.301(0.4)(107,122), 3.627(0.4)(110),

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

Kolitsch U , Taylor M R , Fallon G D , Pring A , Neues Jahrbuch fur Mineralogie, Monatshefte , 1999 (1999) p.529-544, Springcreekite, BaV(3+)3(PO4)2(OH,H2O)6, a new member of the crandallite group,, from the Spring Creek mine, South Australia: the first natural V(3+)-member of, the alunite family and its crystal structure, Locality: Spring Creek mine, South Australia

Physical Properties of Springcreekite

Cleavage:

{102} Poor

Color:

Black.

Density:

3.48

Diaphaneity:

Opaque to translucent

Fracture:

Brittle - Irregular - Very brittle fracture producing irregular fragments

Habit:

Pseudo Cubic - Crystals show a cubic outline.

Habit:

Rhombohedral Crystals - Occurs as well-formed crystals showing rhobohedral crystals.

Hardness:

4-5 - Fluorite-Apatite

Luster:

Vitreous - Dull

Streak:

brownish black

Optical Properties of Springcreekite

Gladstone-Dale:

CI meas= -0.07 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2282,KPDmeas= 0.2407,KC= 0.225
Ncalc = 1.78 - 1.83

Optical Data:

Uniaxial (-), e=1.817, w=1.858, bire=0.0410.

Calculated Properties of Springcreekite

Electron Density:

Bulk Density (Electron Density)=3.45 gm/cc
note: Specific Gravity of Springcreekite =3.67 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_{Springcreekite}= 105.91 barns/electron
U=PE_{Springcreekite} x rElectron Density= 365.62 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Springcreekite is Not Radioactive

Springcreekite Classification

Dana Class:

42.07.03.08 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.07)where (AB)5 (XO4)3 Zq · x(H2O)

(42.07.03)Crandallite Group

42.07.03.01 Crandallite CaAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m

42.07.03.02 Gorceixite BaAl3(PO4)(PO3OH)(OH)6 R 3m 3 2/m

42.07.03.03 Goyazite SrAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m

42.07.03.04 Lusungite? (Sr,Pb)Fe3(PO4)2(OH)5•(H2O) R 3m 3m

42.07.03.05 Plumbogummite PbAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m

42.07.03.06 Kintoreite PbFe3(PO4)2(OH,H2O)6 R 3m 3 2/m

42.07.03.07 Benauite! HSrFe3(PO4)2(OH)6 R 3m 3 2/m

42.07.03.08 Springcreekite! BaV3(PO4)2(OH,H2O)6 R 3m 3 2/m

Strunz Class:

08.BL.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1

08.BL.10 Arsenogorceixite! BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6 R 3m 3 2/m

08.BL.10 Arsenocrandallite (Ca,Sr)Al3[(As,P)O4]2(OH)5•(H2O) R 3m 3m

08.BL.10 Ferrazite? (Pb,Ba)3(PO4)2•8(H2O)(?) Tri

08.BL.10 Arsenowaylandite* BiAl3(AsO4)2(OH)6 R 3m 3 2/m

08.BL.10 Benauite! HSrFe3(PO4)2(OH)6 R 3m 3 2/m

08.BL.10 Arsenogoyazite (Sr,Ca,Ba)Al3(AsO4,PO4)2(OH,F)5•(H2O) R 3m 3 2/m

08.BL.10 Dussertite BaFe3(AsO4)2(OH)5 R 3m 3m

08.BL.10 Crandallite CaAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m

08.BL.10 Goyazite SrAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m

08.BL.10 Gorceixite BaAl3(PO4)(PO3OH)(OH)6 R 3m 3 2/m

08.BL.10 Kintoreite PbFe3(PO4)2(OH,H2O)6 R 3m 3 2/m

08.BL.10 Lusungite? (Sr,Pb)Fe3(PO4)2(OH)5•(H2O) R 3m 3m

08.BL.10 Philipsbornite PbAl3(AsO4)2(OH)5•(H2O) R 3m-,R 3m Trig

08.BL.10 Plumbogummite PbAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m

08.BL.10 Segnitite PbFe3H(AsO4)2(OH)6 R 3m 3 2/m

08.BL.10 Springcreekite! BaV3(PO4)2(OH,H2O)6 R 3m 3 2/m

Other Springcreekite Information

References:

NAME( MinRec, v 32, p 221) PHYS. PROP.(MinRec, v 32, p 221) OPTIC PROP.(MinRec, v 32, p 221)

See Also:

Links to other databases for Springcreekite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

Search for Springcreekite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Springcreekite :

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

Ask about Springcreekite 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 Springcreekite Specimen Label here :

Springcreekite

BaV+++3(PO4)2(OH,H2O)6
Dana No: 42.07.03.08 Strunz No: 08.BL.10
Locality:

Notes: