Arsenogorceixite Mineral Data
General Arsenogorceixite Information
Chemical Formula:
BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6
Composition:
Molecular Weight = 589.17 gm
Barium 23.31 % Ba 26.02 % BaO
Aluminum 13.74 % Al 25.96 % Al2 O3
Arsenic 22.25 % As 16.79 % As2 O3 / 14.63 % As2 O5
Phosphorus 1.31 % P 3.01 % P2 O5
Hydrogen 1.11 % H 9.94 % H2 O
Oxygen 36.66 % O
Fluorine 1.61 % F 1.61 % F
- %
F -0.68 % -O=F2
______ ______
100.00 % 97.28 % = TOTAL OXIDE
Empirical Formula:
BaAl3 (AsO3 )(OH)(AsO4 )0.75 (PO4 )0.25 (OH)5.5 F0.5
Environment:
Occurs as a rare secondary mineral in the oxidized zone of a hydrothermal polymetallic barite-fluorite deposit (Clara mine, Germany).
IMA Status:
Approved IMA 1992 (Dana # Added)
Locality:
Found in the Clara mine, near Oberwolfache, and the Michael mine, Weiler, near Lahr, Black Forest, Germany. Link to MinDat.org Location Data.
Name Origin:
For its "arsenic" content and relation to "gorceixite."
Name Pronunciation:
Arsenogorceixite + Pronunciation
Synonym:
IMA1989-055
Arsenogorceixite Image
Images:
Images:
Arsenogorceixite Crystallography
Axial Ratios:
a:c = 1:2.44929
Cell Dimensions:
a = 7.1, c = 17.39, Z = 3; V = 759.18 Den(Calc)= 3.87
Crystal System:
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3 m
X Ray Diffraction:
By Intensity(I/Io ): 3.02(1), 3.55(0.8), 5.84(0.8),
Physical Properties of Arsenogorceixite
Cleavage:
None
Color:
White, Yellow, Bluish, Colorless.
Density:
3.65
Diaphaneity:
Transparent
Hardness:
4 - Fluorite
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Arsenogorceixite
Gladstone-Dale:
CI meas = 0.071 (Fair) - where the CI = (1-KPDmeas /KC ) CI calc = 0.124 (Poor) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.1667,KPDmeas = 0.1767,KC = 0.1903 Ncalc = 1.69 - 1.74
Optical Data:
Uniaxial (-), e=1.645, w=1.645, bire=0.0000.
Calculated Properties of Arsenogorceixite
Electron Density:
Bulk Density (Electron Density)=3.41 gm/cc note: Specific Gravity of Arsenogorceixite =3.65 gm/cc.
Fermion Index:
Fermion Index = 0.04 Boson Index = 0.96
Photoelectric:
PEArsenogorceixite = 115.83 barns/electronU=PEArsenogorceixite x r Electron Density= 395.40 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Arsenogorceixite is Not Radioactive
Arsenogorceixite Classification
Dana Class:
41.05.12.04 (41) Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
(41.05) where (A B)2 (XO4) Zq
(41.05.12) Waylandite Group
41.05.12.01 Waylandite BiAl3(PO4)2(OH)6 R 3 m 3 2/m
41.05.12.02 Eylettersite (Th,Pb)1-xAl3(PO4,SiO4)2(OH)6(?) R 3 m 3 2/m
41.05.12.03 Zairite Bi(Fe,Al)3(PO4)2(OH)6 R 3 m 3 2/m
41.05.12.04 Arsenogorceixite ! BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6 R 3 m 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 3 m 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 3 m 3 2/m
08.BL.10 Benauite ! HSrFe3(PO4)2(OH)6 R 3 m 3 2/m
08.BL.10 Arsenogoyazite (Sr,Ca,Ba)Al3(AsO4,PO4)2(OH,F)5•(H2O) R 3 m 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 3 m 3 2/m
08.BL.10 Goyazite SrAl3(PO4)2(OH)5•(H2O) R 3 m 3 2/m
08.BL.10 Gorceixite BaAl3(PO4)(PO3OH)(OH)6 R 3 m 3 2/m
08.BL.10 Kintoreite PbFe3(PO4)2(OH,H2O)6 R 3 m 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 3 m 3 2/m
08.BL.10 Segnitite PbFe3H(AsO4)2(OH)6 R 3 m 3 2/m
08.BL.10 Springcreekite ! BaV3(PO4)2(OH,H2O)6 R 3 m 3 2/m
Other Arsenogorceixite Information
References:
NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.81,1996) OPTIC PROP.(Am.Min.,Vol.81,1996)
See Also:
Links to other databases for Arsenogorceixite :
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
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Arsenogorceixite
BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6
Dana No: 41.05.12.04 Strunz No: 08.BL.10
Locality:
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