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Pseudomalachite Mineral Data + |
General Pseudomalachite Information |
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| Cu5(PO4)2(OH)4 | |||
| Molecular Weight = 524.68 gm | |||
| Copper 60.56 % Cu 75.80 % CuO | |||
| Phosphorus 11.81 % P 27.05 % P2O5 | |||
| Hydrogen 0.19 % H 1.72 % H2O | |||
| Oxygen 27.44 % O | |||
| ______ ______ | |||
| 100.00 % 104.57 % = TOTAL OXIDE | |||
| Cu5(PO4)2(OH) | |||
| Valid Species (Pre-IMA) 1813 | |||
| Virneberg Mine, Rheinbreitbach, Westerwald, Rhineland-Palatinate, Germany. Link to MinDat.org Location Data. | |||
| From ghe Greek, pseudo - "false" and malachite. | |||
| Dihydrite | |||
| Ehlite | |||
| ICSD 10418 | |||
| Lunnite | |||
| PDF 36-408 | |||
Pseudomalachite Image | |||
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Pseudomalachite Crystallography |
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| a:b:c =2.9618:1:0.7795 | |||
| a = 17.06, b = 5.76, c = 4.49, Z = 2; beta = 91.067° V = 441.14 Den(Calc)= 3.95 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a | |||
| By Intensity(I/Io): 4.49(1), 2.386(0.7), 2.443(0.6), | |||
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Mouse |
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Physical Properties of Pseudomalachite |
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| [010] Imperfect | |||
| Blue green, Green, Dark green, Black green. | |||
| 3.6 - 4.34, Average = 3.97 | |||
| Translucent | |||
| Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | |||
| Botryoidal - "Grape-like" rounded forms (e.g.. malachite). | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite). | |||
| 4-5 - Fluorite-Apatite | |||
| Vitreous - Greasy | |||
| bluish green | |||
Optical Properties of Pseudomalachite |
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| CI meas= -0.146 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.152 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2122,KPDmeas= 0.2111,KC= 0.1842 |
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| Biaxial (-), a=1.791, b=1.856, g=1.867, bire=0.0760, 2V(Calc)=42, 2V(Meas)=48. | |||
Calculated Properties of Pseudomalachite |
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relectron=3.75 gm/cc |
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| Fermion Index = 0.00013 Boson Index = 0.99987 |
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PEPseudomalachite = 27.53 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Pseudomalachite is Not Radioactive |
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Pseudomalachite Classification |
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| 41.4.3.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | |||
| (41.4)where (A B)5 (XO4)2 Zq | |||
| (41.4.3)Dana Group | |||
| VII/B.11-20 VII - Phosphates, Arsenates and Vanadates | |||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O,OH, cations of medium size: Mg, Mn, Fe, Cu, Zn, Pseudomalachite group and related compounds | |||
| VII/B.11 - Pseudomalachite group, Ludjibaite - Reppiaite series | |||
Other Pseudomalachite Information |
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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Pseudomalachite : 1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - Crocoite.com Mineral Locations 5 - EUROmin Project 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 - Minerals of Wisconsin 14 -QUT Mineral Atlas 15 - WWW-MINCRYST 16 -École des Mines de Paris Search for Pseudomalachite using: Visit our Advertisers for Pseudomalachite : Translate Pseudomalachite Mineral Data : Ask about Pseudomalachite here : Print or Cut-and-Paste your Pseudomalachite Specimen Label here :
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