![]() |
Arsenogoyazite Mineral Data |
General Arsenogoyazite Information |
|||
![]() |
(Sr,Ca,Ba)Al3(AsO4,PO4)2(OH,F)5•(H2O) | ||
![]() |
Molecular Weight = 511.39 gm | ||
Barium 2.69 % Ba 3.00 % BaO | |||
Strontium 10.28 % Sr 12.16 % SrO | |||
Calcium 2.35 % Ca 3.29 % CaO | |||
Aluminum 15.83 % Al 29.91 % Al2O3 | |||
Arsenic 19.05 % As 29.21 % As2O5 | |||
Phosphorus 4.24 % P 9.71 % P2O5 | |||
Hydrogen 1.18 % H 10.57 % H2O | |||
Oxygen 40.67 % O | |||
Fluorine 3.72 % F 3.72 % F | |||
- % F -1.56 % -O=F2 | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
![]() |
Sr0.6Ca0.3Ba0.1Al3(AsO4)1.3(PO4)0.7(OH)4F�(H2O) | ||
![]() |
Approved IMA 1984 | ||
![]() |
Clara mine, Oberwolfach, Black Forest, Germany. Link to MinDat.org Location Data. | ||
![]() |
Named for the chemical composition and it's relationship to goyazite. | ||
![]() |
Arsenogoyazite + Pronunciation ![]() |
||
![]() |
Weilerite | ||
Arsenogoyazite Image | |||
![]() |
|
||
![]() |
|
||
Arsenogoyazite Crystallography |
|||
![]() |
a:c = 1:2.4169 | ||
![]() |
a = 7.1, c = 17.16, Z = 3; V = 749.14 Den(Calc)= 3.40 | ||
![]() |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m | ||
![]() |
By Intensity(I/Io): 3.03(1), 3.56(0.8), 5.84(0.7), | ||
Physical Properties of Arsenogoyazite |
|||
![]() |
None | ||
![]() |
Greenish white, Gray green, Yellow, Light green. | ||
![]() |
3.33 - 3.35, Average = 3.34 | ||
![]() |
Transparent | ||
![]() |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
![]() |
Encrustations - Forms crust-like aggregates on matrix. | ||
![]() |
Reniform - "Kidney like" in shape (e.g.. hematite). | ||
![]() |
4 - Fluorite | ||
![]() |
Vitreous (Glassy) | ||
![]() |
white | ||
Optical Properties of Arsenogoyazite |
|||
![]() |
CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.025 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1882,KPDmeas= 0.1916,KC= 0.1931 Ncalc = 1.64 - 1.66 |
||
![]() |
Uniaxial (?), a=1.64, b=1.64, bire=0.0000. | ||
Calculated Properties of Arsenogoyazite |
|||
![]() |
Bulk Density (Electron Density)=3.21 gm/cc note: Specific Gravity of Arsenogoyazite =3.34 gm/cc. |
||
![]() |
Fermion Index = 0.01 Boson Index = 0.99 |
||
![]() |
PEArsenogoyazite = 36.36 barns/electron U=PEArsenogoyazite x rElectron Density= 116.73 barns/cc. |
||
![]() |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Arsenogoyazite is Not Radioactive |
||
Arsenogoyazite Classification |
|||
![]() |
42.07.04.03 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | ||
(42.07)where (AB)5 (XO4)3 Zq � x(H2O) | |||
(42.07.04)Arsenocrandallite Group | |||
![]() |
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 | |||
Other Arsenogoyazite Information |
|||
![]() |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
![]() |
Links to other databases for Arsenogoyazite : 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 Search for Arsenogoyazite using: Visit our Advertisers for Arsenogoyazite : Ask about Arsenogoyazite here : Print or Cut-and-Paste your Arsenogoyazite Specimen Label here :
|
||
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.