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Potassicferrisadanagaite Mineral Data |
General Potassicferrisadanagaite Information |
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(K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2 | ||
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Molecular Weight = 951.81 gm | ||
Potassium 2.55 % K 3.07 % K2O | |||
Sodium 1.43 % Na 1.92 % Na2O | |||
Calcium 7.24 % Ca 10.13 % CaO | |||
Magnesium 1.43 % Mg 2.37 % MgO | |||
Titanium 1.06 % Ti 1.76 % TiO2 | |||
Manganese 1.50 % Mn 1.94 % MnO | |||
Aluminum 9.86 % Al 18.64 % Al2O3 | |||
Zinc 0.14 % Zn 0.17 % ZnO | |||
Iron 18.72 % Fe 16.00 % FeO / 8.98 % Fe2O3 | |||
Silicon 15.46 % Si 33.08 % SiO2 | |||
Hydrogen 0.18 % H 1.61 % H2O | |||
Oxygen 39.84 % O | |||
Fluorine 0.60 % F 0.60 % F | |||
- % F -0.25 % -O=F2 | |||
______ ______ | |||
100.00 % 100.02 % = TOTAL OXIDE | |||
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Na0.31K0.62Ca1.72Na0.28Mg0.56Fe2+2.12Mn2+0.26Zn0.02Al0.72Fe3+1.07Ti0.21Si5.24Al2.76 O22(OH)1.7F0.3 | ||
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Rock-forming constituent of plagiosyenite, alkaline syenite, and rarely in nepheline syenite exposed along the eastern contact of the Urals. | ||
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Approved IMA 1997 (Dana # Added) | ||
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Ilmen Mountains, Miaskite Massif, South Urals. Link to MinDat.org Location Data. | ||
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Named for the composition and relationship to sadanagaite. | ||
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Ferrisadanagaite-K | ||
IMA1997-035 | |||
Potassicferrisadanagaite Image | |||
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Potassicferrisadanagaite Crystallography |
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a:b:c =0.5497:1:0.2975 | ||
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a = 9.94, b = 18.08, c = 5.38, Z = 2; beta = 105.5° V = 931.70 Den(Calc)= 3.39 | ||
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Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m | ||
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By Intensity(I/Io): 3.145(1)(310), 8.44(0.9)(110), 2.722(0.52)(151),3.285(0.3)(240), 2.606(0.27)(061), 2.823(0.26)(330), 2.579(0.25)(202), 3.405(0.25)(131), 2.356(0.24)(421 | ||
Physical Properties of Potassicferrisadanagaite |
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{110} Good | ||
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Black. | ||
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3.44 | ||
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Transparent to subtranslucent | ||
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Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. | ||
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Intergrown Crystals - Occurs as intergrown crystalline aggregates | ||
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5.5-6 - Knife Blade-Orthoclase | ||
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Vitreous (Glassy) | ||
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grayish green | ||
Optical Properties of Potassicferrisadanagaite |
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CI meas= 0.063 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.049 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2076,KPDmeas= 0.2046,KC= 0.2182 Ncalc = 1.74 - 1.75 |
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Biaxial (-), a=1.696, b=1.7, g=1.715, bire=0.0190 | ||
Calculated Properties of Potassicferrisadanagaite |
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Bulk Density (Electron Density)=3.32 gm/cc note: Specific Gravity of Potassicferrisadanagaite =3.39 gm/cc. |
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Fermion Index = 0.01 Boson Index = 0.99 |
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PEPotassicferrisadanagaite = 8.28 barns/electron U=PEPotassicferrisadanagaite x relectron= 27.51 barns/cc. |
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GRapi = 36.05 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Potassicferrisadanagaite |
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Potassicferrisadanagaite Classification |
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66.01.03a.17b (66)Inosilicate Double-Width Unbranched Chains, W=2 | ||
(66.01)with P=2 amphibole configuration | |||
(66.01.03a)Group 2, the calcic amphiboles | |||
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09.DE.15 09 - SILICATES (Germanates) | ||
09.D - Inosilicates* Structural terminology according to Liebau (1985) | |||
09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family | |||
Other Potassicferrisadanagaite Information |
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NAME( AmMin, vol 85, p 1563) PHYS. PROP.(AmMin, vol 85, p 1563) OPTIC PROP.(AmMin, vol 85, p 1563) | ||
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Links to other databases for Potassicferrisadanagaite : 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 Potassicferrisadanagaite using: Visit our Advertisers for Potassicferrisadanagaite : Ask about Potassicferrisadanagaite here : Print or Cut-and-Paste your Potassicferrisadanagaite Specimen Label here :
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