Arsenogorceixite Mineral Data

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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 % Al₂O₃

Arsenic 22.25 % As 16.79 % As₂O₃ / 14.63 % As₂O₅

Phosphorus 1.31 % P 3.01 % P₂O₅

Hydrogen 1.11 % H 9.94 % H₂O

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)_5.5F_0.5

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:

Arsenogorceixite

Comments: Lime colored crystalline arsenogorceixite on dark green olivenite.
Location: Bali Lo, Ashburton Downs, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Images:

Arsenogorceixite

Comments: White arsenogorceixite spherules to less than 0.25mm in vuggy matrix.
Location: Clara mine, Schwarzwald, Germany. Scale: Picture size 0.5 cm.
© Tom Loomis / Dakota Matrix

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

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

By Intensity(I/I_o): 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:

PE_{Arsenogorceixite}= 115.83 barns/electron
U=PE_{Arsenogorceixite} x rElectron 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 3m 3 2/m

41.05.12.02 Eylettersite (Th,Pb)1-xAl3(PO4,SiO4)2(OH)6(?) R 3m 3 2/m

41.05.12.03 Zairite Bi(Fe,Al)3(PO4)2(OH)6 R 3m 3 2/m

41.05.12.04 Arsenogorceixite! BaAl3AsO3(OH)(AsO4,PO4)(OH,F)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 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 - 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

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Print or Cut-and-Paste your Arsenogorceixite Specimen Label here :

Arsenogorceixite

BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6
Dana No: 41.05.12.04 Strunz No: 08.BL.10
Locality:

Notes: