Woodhouseite Mineral Data
Advertisment
General Woodhouseite Information
Chemical Formula:
CaAl3(PO4)(SO4)(OH)6
Composition:
Molecular Weight = 414.10 gm
Calcium 9.68 % Ca 13.54 % CaO
Aluminum 19.55 % Al 36.93 % Al2 O3
Phosphorus 7.48 % P 17.14 % P2 O5
Hydrogen 1.46 % H 13.05 % H2 O
Sulfur 7.74 % S 19.33 % SO3
Oxygen 54.09 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
CaAl3 (PO4 )(SO4 )(OH)6
Environment:
Found in vugs in quartz veins.
IMA Status:
Valid Species (Pre-IMA) 1937
Locality:
Champion mine, 4 miles WSW of White Mountain Peak, north of Laws, Mono Co., California. Link to MinDat.org Location Data.
Name Origin:
Named for Charles D. Woodhouse (1888-1975), U.S. mineral collector
Name Pronunciation:
Woodhouseite + Pronunciation
Synonym:
ICSD 100137
Kehoeite - quartz, gypsum and sphalerite
PDF 37-469
Woodhouseite Image
Images:
Woodhouseite
Comments: Crystals of woodhouseite to 0.5 cm across on an exposed quartz vein.
Location: Champion Mine, Inyo County, California, USA.
Scale: Picture size 2 cm.
© John Veevaert
Woodhouseite Crystallography
Axial Ratios:
a:c = 1:2.33691
Cell Dimensions:
a = 6.975, c = 16.3, Z = 3; V = 686.76 Den(Calc)= 3.00
Crystal System:
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3 m
X Ray Diffraction:
By Intensity(I/Io ): 2.94(1), 1.89(0.94), 2.19(0.86),
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 2)
( 0 0 1)
Warning: this java applet does not work in some browsers because of security restrictions.
Physical Properties of Woodhouseite
Cleavage:
{0001} Perfect
Color:
Colorless, White, Pink, Pale orange.
Density:
3.012
Diaphaneity:
Transparent to Translucent
Habit:
Pseudo Cubic - Crystals show a cubic outline.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
4.5 - Between Fluorite and Apatite
Luster:
Vitreous - Pearly
Streak:
white
Optical Properties of Woodhouseite
Gladstone-Dale:
CI meas = 0.009 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = 0.005 (Superior) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2138,KPDmeas = 0.213,KC = 0.2149 Ncalc = 1.64 - 1.65
Optical Data:
Uniaxial (+), w=1.636, e=1.647, bire=0.0110.
Calculated Properties of Woodhouseite
Electron Density:
Bulk Density (Electron Density)=3.01 gm/cc note: Specific Gravity of Woodhouseite =3.00 gm/cc.
Fermion Index:
Fermion Index = 0.0009732476 Boson Index = 0.9990267524
Photoelectric:
PEWoodhouseite = 2.61 barns/electronU=PEWoodhouseite x r Electron Density= 7.85 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Woodhouseite is Not Radioactive
Woodhouseite Classification
Dana Class:
43.04.01.08 (43) Compound Phosphates, etc.
(43.04) (Anhydrous Compound Anions With Hydroxyl or Halogen)
(43.04.01) Beudantite Group
43.04.01.01 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.02 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m
43.04.01.03 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.04 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3 m 3 2/m
43.04.01.05 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.06 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.07 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.08 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.09 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3 m 3 2/m
43.04.01.10 Gallobeudantite ! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m
Strunz Class:
08.BL.05 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.05 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m
08.BL.05 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Gallobeudantite ! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m
08.BL.05 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3 m 3 2/m
08.BL.05 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3 m 3 2/m
08.BL.05 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3 m 3 2/m
Other Woodhouseite Information
References:
NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Woodhouseite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST
Search for Woodhouseite using:
[AOL ]
[Bing ]
[Dog Pile ]
[GeoScienceWorld ]
[HotBot ]
[Ixquick ]
[Lycos ]
[MAMMA ]
[Scirus ]
[Teoma ]
[WebCrawler ]
[Wikipedia ]
[YAHOO ]
Visit our Advertisers for Woodhouseite :
Ask about Woodhouseite 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 Woodhouseite Specimen Label here :
Woodhouseite
CaAl3(PO4)(SO4)(OH)6
Dana No: 43.04.01.08 Strunz No: 08.BL.05
Locality:
Notes:
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.