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Verplanckite Mineral Data |
General Verplanckite Information |
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Ba2(Mn++,Ti,Fe++)2Si2O6(O,OH,Cl,F)2•3(H2O) | ||
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Molecular Weight = 585.36 gm | ||
Barium 46.92 % Ba 52.39 % BaO | |||
Titanium 0.82 % Ti 1.36 % TiO2 | |||
Manganese 6.57 % Mn 8.48 % MnO | |||
Iron 1.91 % Fe 2.45 % FeO | |||
Silicon 9.60 % Si 20.53 % SiO2 | |||
Hydrogen 1.21 % H 10.77 % H2O | |||
Chlorine 3.63 % Cl 3.63 % Cl | |||
- % Cl -0.82 % -O=Cl2 | |||
Oxygen 28.70 % O | |||
Fluorine 0.65 % F 0.65 % F | |||
- % F -0.27 % -O=F2 | |||
______ ______ | |||
100.00 % 99.18 % = TOTAL OXIDE | |||
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Ba2Mn2+0.7Fe2+0.2Ti0.1Si2O6.5(OH)Cl0.6F0.2�3(H2O) | ||
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Near the contact between meta-sediments and biotite-bearing quartz diorite. | ||
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Approved IMA 1965 | ||
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Big Creek - Rush Creek sanbornite deposit, 5 miles NE of Trimmer, Fresno Co., California. Link to MinDat.org Location Data. | ||
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Named for William E. VerPlanck (1916-1963), American geologist, California Division of Mines & Geology. | ||
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Verplanckite + Pronunciation ![]() |
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ICSD 2627 | ||
PDF 18-175 | |||
Verplanckite Image | |||
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Verplanckite Crystallography |
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a:c = 1:0.43907 | ||
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a = 16.398, c = 7.2, Z = 6; V = 1,676.66 Den(Calc)= 3.48 | ||
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Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6/mmm | ||
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By Intensity(I/Io): 3.95(1), 2.738(0.7), 2.97(0.7), | ||
Physical Properties of Verplanckite |
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{1120} Good, {0001} Indistinct | ||
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Brownish yellow, Brownish orange. | ||
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3.52 | ||
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Aggregates - Made of numerous individual crystals or clusters. | ||
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Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
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Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | ||
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2.5-3 - Finger Nail-Calcite | ||
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Vitreous (Glassy) | ||
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light orange | ||
Optical Properties of Verplanckite |
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colorless. | ||
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orange yellow. | ||
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CI meas= -0.041 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.053 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1947,KPDmeas= 0.1925,KC= 0.1849 Ncalc = 1.64 - 1.65 |
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Uniaxial (-), e=1.672, w=1.683, bire=0.0110. | ||
Calculated Properties of Verplanckite |
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Bulk Density (Electron Density)=3.22 gm/cc note: Specific Gravity of Verplanckite =3.52 gm/cc. |
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Fermion Index = 0.08 Boson Index = 0.92 |
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PEVerplanckite = 208.68 barns/electron U=PEVerplanckite x rElectron Density= 672.37 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Verplanckite is Not Radioactive |
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Verplanckite Classification |
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77.02.08.01 (77)Tectosilicate Zeolite group | ||
(77.02)related species | |||
(77.02.08)Dana Group | |||
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09.CE.10 09 - SILICATES (Germanates) | ||
09.C - Cyclosilicates | |||
09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe), | |||
Other Verplanckite Information |
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NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
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Links to other databases for Verplanckite : 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 Verplanckite using: Visit our Advertisers for Verplanckite : Ask about Verplanckite here : Print or Cut-and-Paste your Verplanckite Specimen Label here :
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