[Newest Minerals] [Rare Minerals] [Cabinet Specimens] [About Us] [Image Gallery] Dakota Matrix Minerals Updated weekly, for the collector, educator, and researcher since 1996 Extensive Inventory of very Rare Minerals. Visa and Mastercard are Welcome General Organovaite-Zn InformationK2Zn(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) |
Molecular Weight = 2,439.14 gm |
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Potassium 3.05 % K 3.67 % K2O |
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Barium 2.25 % Ba 2.51 % BaO |
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Sodium 0.47 % Na 0.64 % Na2O |
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Calcium 0.82 % Ca 1.15 % CaO |
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Titanium 6.28 % Ti 10.48 % TiO2 |
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Manganese 0.45 % Mn 0.58 % MnO |
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Niobium 18.28 % Nb 26.15 % Nb2O5 |
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Aluminum 0.22 % Al 0.42 % Al2O3 |
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Zinc 4.29 % Zn 5.34 % ZnO |
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Iron 0.23 % Fe 0.29 % FeO |
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Silicon 18.19 % Si 38.92 % SiO2 |
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Hydrogen 1.12 % H 10.01 % H2O |
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Oxygen 44.34 % O |
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100.00 % 100.16 % = TOTAL OXIDE |
K1.9Na0.5Ca0.5Ba0.4Zn1.6Mn2+0.2Fe2+0.1Nb4.8Ti3.2Si15.8Al0.2O52.5(OH)3.1·12(H2O) |
Alkaline pegmatites. Sometimes forms pseudomorphs after vuonnemite. Labuntsovite group; structure. |
Approved IMA 2002 (Dana # Added) |
Karnasurt Mountain, Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
Named for Natalia Ivanovna Organova (1929-), Russian crystallographer and the Zn end-member. |
IMA2001-006 |
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Organovaite-Zn Crystallographya:b:c =1.0436:1:1.1247 |
a = 14.535, b = 13.927, c = 15.665, Z = 1; beta = 117.6° V = 2,810.20 Den(Calc)= 1.44 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
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-ZnNone |
Pink, Pinkish brown, White. |
2.88 |
Translucent |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Pseudomorphous - Occurs in the form of another mineral. |
5 - Apatite |
Vitreous (Glassy) |
white |
| Optical Properties of Organovaite-ZnCI 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 Biaxial (+), a=1.683, b=1.688, g=1.785, bire=0.1020 |
| Calculated Properties of Organovaite-ZnBulk Density (Electron Density)=2.81 gm/cc |
note: Specific Gravity of Organovaite-Zn =2.88 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PEOrganovaite-Zn = 40.28 barns/electron |
U=PEOrganovaite-Zn x relectron= 113.04 barns/cc. |
GRapi = 42.83 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Organovaite-Zn | Organovaite-Zn Classification60.01.03h.02 (60)Cyclosilicate Four-Membered Rings |
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(60.01)as Titanosilicates |
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(60.01.03h)Labuntsovite Group (Organovaite subgroup Monoclinic [C2/m]) |
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09.CE.30g 09 - SILICATES (Germanates) |
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09.C - Cyclosilicates |
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09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe), |
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| Other Organovaite-Zn InformationNAME( AmMin, v 88, p 932) PHYS. PROP.(AmMin, v 88, p 932) OPTIC PROP.(AmMin, v 88, p 932) |
Links to other databases for Organovaite-Zn : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - MinMax(Deutsch) 7 - MinMax(English) 8 - Mineralienatlas (Deutsch) 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Organovaite-Zn using: Visit our Advertisers for Organovaite-Zn : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Organovaite-Zn Mineral Data : Ask about Organovaite-Zn here : Print or Cut-and-Paste your Organovaite-Zn Specimen Label here :
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