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Zaratite Mineral Data |
General Zaratite Information |
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Ni3(CO3)(OH)4•4(H2O) | ||
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Molecular Weight = 376.17 gm | ||
Nickel 46.81 % Ni 59.57 % NiO | |||
Hydrogen 3.22 % H 28.73 % H2O | |||
Carbon 3.19 % C 11.70 % CO2 | |||
Oxygen 46.79 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
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Ni3(CO3)(OH)4•4(H2O) | ||
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Secondary nickel mineral in Ni-bearing rocks. | ||
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Valid Species (Pre-IMA) 1851 | ||
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Cape Ortegal, Galicia, Spain. Link to MinDat.org Location Data. | ||
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Named after Antonio Gil y Zarate (1793-1861), Spanish diplomat, general director of public education, and counselor of state. | ||
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Zaratite ![]() |
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Emerald Nickel | ||
Texasite | |||
Zaratite Image | |||
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Zaratite Crystallography |
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a = 6.16, Z = 1; V = 233.74 Den(Calc)= 2.67 | ||
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Isometric Space Group: Unk (in part amorphous) | ||
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By Intensity(I/Io): 5.07(1), 2.45(0.7), 8.93(0.7), | ||
Physical Properties of Zaratite |
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None | ||
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Emerald green. | ||
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2.6 | ||
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Translucent | ||
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Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
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Encrustations - Forms crust-like aggregates on matrix. | ||
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Mammillary - Larger "breast-like" rounded forms resembling botryoidal (e.g. malachite). | ||
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Massive - Uniformly indistinguishable crystals forming large masses. | ||
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3-3.5 - Calcite-Copper Penny | ||
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Non-fluorescent. | ||
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Vitreous - Greasy | ||
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light green | ||
Optical Properties of Zaratite |
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CI meas= 0.01 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.036 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2191,KPDmeas= 0.225,KC= 0.2272 Ncalc = 1.59 - 1.61 |
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Isotropic, n=1.56-1.61. | ||
Calculated Properties of Zaratite |
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Bulk Density (Electron Density)=2.63 gm/cc note: Specific Gravity of Zaratite =2.60 gm/cc. |
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Fermion Index = 0.0058696999 Boson Index = 0.9941303001 |
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PEZaratite = 18.13 barns/electron U=PEZaratite x rElectron Density= 47.61 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Zaratite is Not Radioactive |
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Zaratite Classification |
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16b.04.01.01 (16b)Carbonates - Hydroxyl or Halogen | ||
(16b.04)where (A)m (B)n (XO3)p Zq � x(H2O), with (m+n):p=8:1 | |||
(16b.04.01)Dana Group | |||
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05.DA.70 05 - CARBONATES (NITRATES) | ||
05.D - Carbonates with Additional Anions, with H2O | |||
05.DA -With medium-sized cations | |||
Other Zaratite Information |
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NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | ||
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Links to other databases for Zaratite : 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 Search for Zaratite using: Visit our Advertisers for Zaratite : Ask about Zaratite here : Print or Cut-and-Paste your Zaratite Specimen Label here :
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