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Organovaite-Zn Mineral Data |
General Organovaite-Zn Information |
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K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) | ||
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Molecular Weight = 2,439.14 gm | ||
Potassium 3.05 % K 3.67 % K2O | |||
Barium 2.25 % Ba 2.51 % BaO | |||
Sodium 0.47 % Na 0.64 % Na2O | |||
Calcium 0.82 % Ca 1.15 % CaO | |||
Titanium 6.28 % Ti 10.48 % TiO2 | |||
Manganese 0.45 % Mn 0.58 % MnO | |||
Niobium 18.28 % Nb 26.15 % Nb2O5 | |||
Aluminum 0.22 % Al 0.42 % Al2O3 | |||
Zinc 4.29 % Zn 5.34 % ZnO | |||
Iron 0.23 % Fe 0.29 % FeO | |||
Silicon 18.19 % Si 38.92 % SiO2 | |||
Hydrogen 1.12 % H 10.01 % H2O | |||
Oxygen 44.34 % O | |||
______ ______ | |||
100.00 % 100.16 % = TOTAL OXIDE | |||
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K1.9Na0.5Ca0.5Ba0.4Zn1.6Mn2+0.2Fe2+0.1Nb4.8Ti3.2Si15.8Al0.2O52.5(OH)3.1�12(H2O) | ||
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Alkaline pegmatites. Sometimes forms pseudomorphs after vuonnemite. Labuntsovite group; structure. | ||
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Approved IMA 2002 (Dana # Added) | ||
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Karnasurt Mountain, Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. | ||
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Named for Natalia Ivanovna Organova (1929-), Russian crystallographer and the Zn end-member. | ||
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IMA2001-006 | ||
Organovaite-Zn Image | |||
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Organovaite-Zn Crystallography |
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a:b:c =1.0436:1:1.1247 | ||
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a = 14.535, b = 13.927, c = 15.665, Z = 1; beta = 117.6° V = 2,810.20 Den(Calc)= 1.44 | ||
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Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m | ||
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By Intensity(I/Io): 6.96(1)(020,002), 3.222(0.84)(422,400,4043.114(0.66)(042,024), 2.514(0.3)(442,402), 4.924(0.3)(022), 6.43(0.24)(200,202), 1.43(0.22), | ||
Physical Properties of Organovaite-Zn |
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None | ||
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Pink, Pinkish brown, White. | ||
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2.88 | ||
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Translucent | ||
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Brittle - Uneven - Very brittle fracture producing uneven fragments. | ||
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Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
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Pseudomorphous - Occurs in the form of another mineral. | ||
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5 - Apatite | ||
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Vitreous (Glassy) | ||
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white | ||
Optical Properties of Organovaite-Zn |
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CI meas= 0.007 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.986 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.4991,KPDmeas= 0.2495,KC= 0.2513 Ncalc = 1.36 - 1.72 |
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Biaxial (+), a=1.683, b=1.688, g=1.785, bire=0.1020 | ||
Calculated Properties of Organovaite-Zn |
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Bulk Density (Electron Density)=2.81 gm/cc note: Specific Gravity of Organovaite-Zn =2.88 gm/cc. |
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Fermion Index = 0.02 Boson Index = 0.98 |
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PEOrganovaite-Zn = 40.28 barns/electron U=PEOrganovaite-Zn x relectron= 113.04 barns/cc. |
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GRapi = 42.83 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Organovaite-Zn |
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Organovaite-Zn Classification |
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60.01.03h.02 (60)Cyclosilicate Four-Membered Rings | ||
(60.01)as Titanosilicates | |||
(60.01.03h)Labuntsovite Group (Organovaite subgroup Monoclinic [C2/m]) | |||
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09.CE.30g 09 - SILICATES (Germanates) | ||
09.C - Cyclosilicates | |||
09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe), | |||
Other Organovaite-Zn Information |
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NAME( AmMin, v 88, p 932) PHYS. PROP.(AmMin, v 88, p 932) OPTIC PROP.(AmMin, v 88, p 932) | ||
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Links to other databases for Organovaite-Zn : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Organovaite-Zn using: Visit our Advertisers for Organovaite-Zn : Ask about Organovaite-Zn here : Print or Cut-and-Paste your Organovaite-Zn Specimen Label here :
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