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Zanazziite Mineral Data + |
General Zanazziite Information |
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| Ca2(Mg,Fe++)(Mg,Fe++,Al,Mn,Fe+++)4Be4(PO4)6(OH)4·6(H2O) | |||
| Molecular Weight = 1,044.11 gm | |||
| Calcium 7.68 % Ca 10.74 % CaO | |||
| Magnesium 6.98 % Mg 11.58 % MgO | |||
| Manganese 1.05 % Mn 1.36 % MnO | |||
| Beryllium 3.45 % Be 9.58 % BeO | |||
| Aluminum 0.78 % Al 1.46 % Al2O3 | |||
| Iron 8.56 % Fe 10.32 % FeO / 0.76 % Fe2O3 | |||
| Phosphorus 17.80 % P 40.78 % P2O5 | |||
| Hydrogen 1.60 % H 14.32 % H2O | |||
| Oxygen 52.10 % O | |||
| ______ ______ | |||
| 100.00 % 100.92 % = TOTAL OXIDE | |||
| Ca2Mg0.6Fe2+0.4Mg2.4Fe2+1.1Al0.3Mn2+0.2Fe3+0.1Be4(PO4)6(OH)3.4·6.6(H2O) | |||
| Pegmatitic environment. Resembles roscherite. | |||
| Approved IMA 1990 | |||
| Lavra da Ilha pegmatite, near Taquaral, in northeastern Minas Gerais, Brazil. Link to MinDat.org Location Data. | |||
| Named after Dr. Pier F. Zanazzi (1939-) of the Universita degli Studi di Perugia, in recognition of his studies of the crystal structures and crystal chemistry of minerals. | |||
| ICSD 4257 | |||
| IMA1986-054 | |||
| PDF 46-1346 | |||
Zanazziite Image | |||
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Zanazziite Crystallography |
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| a:b:c =1.3391:1:0.5571 | |||
| a = 15.874, b = 11.854, c = 6.605, Z = 2; beta = 95.35° V = 1,237.45 Den(Calc)= 2.80 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | |||
| By Intensity(I/Io): 5.91(1), 9.5(0.9), 3.16(0.7), | |||
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Physical Properties of Zanazziite |
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| [100] Good, [010] Distinct | |||
| Pale olive green, Dark olive green. | |||
| 2.76 | |||
| Transparent to translucent | |||
| Brittle - Uneven - Very brittle fracture producing uneven fragments. | |||
| Bladed - Aggregates of thin lath-like crystals (e.g. kyanite). | |||
| Columnar - Forms columns | |||
| Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | |||
| 5 - Apatite | |||
| Non-fluorescent. | |||
| Vitreous - Pearly | |||
| white | |||
Optical Properties of Zanazziite |
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| Biaxial (+), a=1.606, b=1.61, g=1.62, bire=0.0140, 2V(Calc)=66, 2V(Meas)=72. | |||
Calculated Properties of Zanazziite |
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relectron=2.79 gm/cc |
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| Fermion Index = 0.04367 Boson Index = 0.95633 |
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PEZanazziite = 4.79 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Zanazziite is Not Radioactive |
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Zanazziite Classification |
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| 42.7.7.3 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.7)where (AB)5 (XO4)3 Zq · x(H2O) | |||
| (42.7.7)Dana Group | |||
| VII/D.01-50 VII - Phosphates, Arsenates and Vanadates | |||
| VII/D - Water-bearing phosphates with unfamiliar anions, mostly cations of small size: Be, Li | |||
| VII/D.01 - Moraesite - Uralolite - Roscherite series | |||
Other Zanazziite Information |
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| NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.76,p1732,1991) OPTIC PROP.(MinRec) | |||
| Links to other databases for Zanazziite : 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 - MinDAT 9 - MinMax(Deutsch) 10 - MinMax(English) 11 - Mineralienatlas (Deutsch) 12 - QUT Mineral Atlas 13 - Ruff.Info Search for Zanazziite using: Visit our Advertisers for Zanazziite : AA Mineral SpecimensB & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals The GeoZone Wrights Rock Shop Translate Zanazziite Mineral Data : Ask about Zanazziite here : Print or Cut-and-Paste your Zanazziite Specimen Label here :
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