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Vistepite Mineral Data + |
General Vistepite Information |
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| Mn++4Sn++++B2(SiO4)4(OH)2 | |||
| Molecular Weight = 762.43 gm | |||
| Manganese 28.82 % Mn 37.22 % MnO | |||
| Silicon 14.73 % Si 31.52 % SiO2 | |||
| Tin 15.57 % Sn 19.77 % SnO2 | |||
| Boron 2.84 % B 9.13 % B2O3 | |||
| Hydrogen 0.26 % H 2.36 % H2O | |||
| Oxygen 37.77 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Mn2+4SnB2(SiO4)4(OH)2 | |||
| Approved IMA 1992 | |||
| Link to MinDat.org Location Data. | |||
| ICSD 84256 | |||
| IMA1991-012 | |||
| PDF 46-1408 | |||
Vistepite Image | |||
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Vistepite Crystallography |
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| a:b:c =0.9467:1:1.0407 | |||
| a = 6.973, b = 7.365, c = 7.665, Z = 1; alpha = 89.94°, beta = 62.94°, gamma = 76.88° V = 341.40 Den(Calc)= 3.71 | |||
| Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | |||
| By Intensity(I/Io): 3.392(1), 3.21(0.82), 2.23(0.69), | |||
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Physical Properties of Vistepite |
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| [???] Good | |||
| Yellowish orange. | |||
| 3.67 | |||
| Transparent | |||
| 4.5 - Between Fluorite and Apatite | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Vistepite |
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| CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.021 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1907,KPDmeas= 0.1927,KC= 0.1948 |
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| Biaxial (-), a=1.696, b=1.711, g=1.715, bire=0.0190, 2V(Calc)=54, 2V(Meas)=54.3-57. | |||
Calculated Properties of Vistepite |
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relectron=3.49 gm/cc |
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| Fermion Index = 0.03858 Boson Index = 0.96142 |
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PEVistepite = 53.27 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Vistepite is Not Radioactive |
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Vistepite Classification |
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| 78.1.10.1 (78)Unclassified silicates | |||
| (78.1)possible nesosilicates | |||
| (78.1.10)Dana Group | |||
| VIII/B.29-35 VIII - Silicates | |||
| VIII/B - Nesosubsilicates, with anions unfamiliar to tetraheders, with beryllium and boron | |||
| VIII/B.29 - Datolite/Gadolinite group | |||
Other Vistepite Information |
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| PHYS. PROP.(Am.Min.,Vol.79,p1013,1994) OPTIC PROP.(Am.Min.,Vol.79,p1013,1994) | |||
| Links to other databases for Vistepite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Vistepite using: Visit our Advertisers for Vistepite : Translate Vistepite Mineral Data : Ask about Vistepite here : Print or Cut-and-Paste your Vistepite Specimen Label here :
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