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Arsendescloizite Mineral Data + |
General Arsendescloizite Information |
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| PbZn(AsO4)(OH) | |||
| Molecular Weight = 428.52 gm | |||
| Zinc 15.26 % Zn 18.99 % ZnO | |||
| Arsenic 17.48 % As 26.82 % As2O5 | |||
| Hydrogen 0.24 % H 2.10 % H2O | |||
| Lead 48.35 % Pb 52.09 % PbO | |||
| Oxygen 18.67 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| PbZn(AsO4)(OH) | |||
| Occurs as a secondary mineral in oxidized hydrothermal polymetallic deposits. | |||
| Approved IMA 1982 | |||
| From Tsumeb, Namibia. In the Gejiu Pb-Zn deposit, not otherwise located, China. From the Toroku mine, Miyazaki Prefecture, Japan. Link to MinDat.org Location Data. | |||
| As the arsenate analog of "descloizite." | |||
Arsendescloizite Image | |||
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Arsendescloizite Crystallography |
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| a:b:c =0.6491:1:0.8157 | |||
| a = 6.075, b = 9.358, c = 7.634, Z = 4; V = 433.99 Den(Calc)= 6.56 | |||
| Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121 | |||
| By Intensity(I/Io): 2.88(1), 3.23(1), 2.6(0.8), | |||
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Physical Properties of Arsendescloizite |
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| None | |||
| Light yellow, Dark green. | |||
| 6.57 | |||
| Transparent | |||
| 4 - Fluorite | |||
| Subadamantine | |||
| white | |||
Optical Properties of Arsendescloizite |
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| CI meas= -0.034 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.036 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1552,KPDmeas= 0.155,KC= 0.1499 |
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| Biaxial (-), a=1.99, b=2.03, g=2.035, bire=0.0450, 2V(Calc)=38, 2V(Meas)=30. | |||
Calculated Properties of Arsendescloizite |
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relectron=5.70 gm/cc |
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| Fermion Index = 0.1132 Boson Index = 0.8868 |
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PEArsendescloizite = 876.47 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Arsendescloizite is Not Radioactive |
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Arsendescloizite Classification |
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| 41.5.1.9 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | |||
| (41.5)where (A B)2 (XO4) Zq | |||
| (41.5.1)Dana Group | |||
| VII/B.27-10 VII - Phosphates, Arsenates and Vanadates | |||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb | |||
| VII/B.27 - Descloizite group | |||
Other Arsendescloizite Information |
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| NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Arsendescloizite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Arsendescloizite using: Visit our Advertisers for Arsendescloizite : Translate Arsendescloizite Mineral Data : Ask about Arsendescloizite here : Print or Cut-and-Paste your Arsendescloizite Specimen Label here :
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