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Guarinoite Mineral Data |
General Guarinoite Information |
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(Zn,Co,Ni)6(SO4)(OH,Cl)10•5(H2O) | ||
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Molecular Weight = 772.29 gm | ||
Zinc 33.87 % Zn 42.15 % ZnO | |||
Cobalt 7.63 % Co 9.70 % CoO | |||
Nickel 7.60 % Ni 9.67 % NiO | |||
Hydrogen 2.35 % H 20.99 % H2O | |||
Sulfur 4.15 % S 10.37 % SO3 | |||
Chlorine 9.18 % Cl 9.18 % Cl | |||
- % Cl -2.07 % -O=Cl2 | |||
Oxygen 35.22 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
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Zn4CoNi(SO4)(OH)8Cl2•5(H2O) | ||
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Secondary mineral in the zone of oxidation. | ||
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Approved IMA 1993 | ||
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Cap Garrone mine, Var, France. Link to MinDat.org Location Data. | ||
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Named for Andre Guarino, French mineral collector. | ||
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Guarinoite + Pronunciation ![]() |
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IMA1991-005 | ||
Guarinoite Image | |||
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Guarinoite Crystallography |
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a:c = 1:2.58856 | ||
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a = 8.344, c = 21.599, Z = 3; V = 1,302.31 Den(Calc)= 2.95 | ||
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Hexagonal Space Group: P 63/m,P 63, or P 6322 | ||
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By Intensity(I/Io): 10.8(1), 3.3(0.9), 2.725(0.6), | ||
Physical Properties of Guarinoite |
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{001} Perfect | ||
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Pink, Deep pink. | ||
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2.8 | ||
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Transparent | ||
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Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern. | ||
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Aggregates - Made of numerous individual crystals or clusters. | ||
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Hexagonal - Six-sided crystal shape in cross-section or habit. | ||
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Thin - Flat dimensioned crystals. | ||
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1.5-2 - Talc-Gypsum | ||
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Non-fluorescent. | ||
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Vitreous - Pearly | ||
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light pink | ||
Optical Properties of Guarinoite |
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light pink. | ||
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pink. | ||
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CI meas= 0.083 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.13 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1912,KPDmeas= 0.2014,KC= 0.2197 Ncalc = 1.62 - 1.65 |
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Uniaxial (-), e=1.544, w=1.584, bire=0.0400. | ||
Calculated Properties of Guarinoite |
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Bulk Density (Electron Density)=2.75 gm/cc note: Specific Gravity of Guarinoite =2.80 gm/cc. |
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Fermion Index = 0.01 Boson Index = 0.99 |
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PEGuarinoite = 22.97 barns/electron U=PEGuarinoite x rElectron Density= 63.11 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Guarinoite is Not Radioactive |
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Guarinoite Classification |
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31.02.04.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen | ||
(31.02)where (A+ B++)6 (XO4) Zq�x(H2O) | |||
(31.02.04)Dana Group | |||
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07.DD.80 07 - SULFATES (SELENATES, TELLURATES) | ||
07.D - Sulfates (selenates, etc.) with additional anions, with H2O | |||
07.DD -With only medium-sized cations; sheets of edge-sharing octahedra | |||
Other Guarinoite Information |
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NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(Dana8) | ||
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Links to other databases for Guarinoite : 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 Guarinoite using: Visit our Advertisers for Guarinoite : Ask about Guarinoite here : Print or Cut-and-Paste your Guarinoite Specimen Label here :
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