[Newest Minerals] [Mineral Auctions] [Mineral Gallery] The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame Visa, PayPal, and Mastercard are Welcomed General Yftisite-(Y) Information(Y,Dy,Er)4(Ti,Sn)O(SiO4)2(F,OH)6 |
Molecular Weight = 753.13 gm |
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Dysprosium 6.47 % Dy 7.43 % Dy2O3 |
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Yttrium 41.32 % Y 52.47 % Y2O3 |
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Erbium 4.44 % Er 5.08 % Er2O3 |
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Titanium 4.77 % Ti 7.95 % TiO2 |
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Silicon 7.46 % Si 15.96 % SiO2 |
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Tin 3.94 % Sn 5.00 % SnO2 |
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Hydrogen 0.27 % H 2.39 % H2O |
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Oxygen 21.24 % O |
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Fluorine 10.09 % F 10.09 % F |
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- %
F -4.25 % -O=F2 |
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______ ______ |
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100.00 % 102.12 % = TOTAL OXIDE |
Y3.5Dy0.3Er0.2Ti0.75Sn0.25(SiO4)2F4(OH)2 |
Silicified alkalic granite near a gabbro-anothosite contact. Approved 1965, discredited 1987 as incompletly characterized. |
Discredited IMA 1987 - Approved IMA 1965 |
Kazakhstan. Link to MinDat.org Location Data. |
Named in 1965 for the elemental makeup, (Y, F, Ti, Si). |
Yftisite-(Y) |
Discredited IMA 1997 |
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ICSD 20003 |
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PDF 33-1462 |
| | Search for Yftisite-(Y) Images
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| | Yftisite-(Y) Crystallographya:b:c =1.4068:1:0.6628 |
a = 14.949, b = 10.626, c = 7.043, Z = 4; V = 1,118.77 Den(Calc)= 4.47 |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C mcm |
By Intensity(I/Io): 1.766(1), 2.667(1), 3.099(1), |
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Mouse
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| Physical Properties of Yftisite-(Y)None |
Yellow. |
3.96 |
Transparent |
3.5-4 - Copper Penny-Fluorite |
Vitreous - Greasy |
| Optical Properties of Yftisite-(Y)Biaxial (-), a=1.69, b=1.705, g=1.711, bire=0.0210, 2V(Calc)=64, 2V(Meas)=large. Dispersion r > v distinct. |
anomalous blue. |
anomalous blue. |
anomalous blue. |
| Calculated Properties of Yftisite-(Y)Bulk Density (Electron Density)=4.09 gm/cc |
note: Specific Gravity of Yftisite-(Y) =4.47 gm/cc. Fermion Index = 0.05 |
Boson Index = 0.95 PEYftisite-(Y) = 155.92 barns/electron |
U=PEYftisite-(Y) x relectron= 638.33 barns/cc. |
GRapi = 10,663.23 (Gamma Ray American Petroleum Institute Units)
Yftisite-(Y) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
Weight of pure Yftisite-(Y) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.47 gm/cc.* | Yftisite-(Y) Classification52.04.04.03 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O |
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(52.04)with cations in [6] and/or > [6] coordination |
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(52.04.04)Natisite - Yftisite group |
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09.AG.25 09 - SILICATES (Germanates) |
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09.A - Nesosilicates |
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09.AG -Nesosilicates with additional anions; cations in > [6] ± [6] coordination |
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| Other Yftisite-(Y) InformationNAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
Links to other databases for Yftisite-(Y) : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - MinMax(Deutsch) 8 - MinMax(English) 9 - Mineralienatlas (Deutsch) 10 - QUT Mineral Atlas 11 - Ruff.Info Search for Yftisite-(Y) using: Visit our Advertisers for Yftisite-(Y) : 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 Yftisite-(Y) Mineral Data : Ask about Yftisite-(Y) here : Print or Cut-and-Paste your Yftisite-(Y) Specimen Label here :
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