General Sadanagaite Information![]() (K,Na)Ca2(Fe++,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 |
![]() Molecular Weight = 931.99 gm |
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Potassium 3.15 % K 3.79 % K2O |
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Sodium 0.62 % Na 0.83 % Na2O |
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Calcium 8.60 % Ca 12.03 % CaO |
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Magnesium 3.91 % Mg 6.49 % MgO |
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Titanium 1.28 % Ti 2.14 % TiO2 |
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Aluminum 7.96 % Al 15.04 % Al2O3 |
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Iron 14.98 % Fe 19.27 % FeO |
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Silicon 18.08 % Si 38.68 % SiO2 |
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Hydrogen 0.22 % H 1.93 % H2O |
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Oxygen 41.20 % O |
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______ ______ |
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100.00 % 100.21 % = TOTAL OXIDE |
![]() K0.75Na0.25Ca2Fe2+2.5Mg1.5Al0.75Ti0.25(Si6Al2O22)(OH)2 |
![]() With lenses in titanian diopside (fassaite). |
![]() Approved IMA 1984 |
![]() Yuge Island, Fukui Prefecture, Japan. Link to MinDat.org Location Data. |
![]() Named for Ryoichi Sadanaga (1920-), professor emeritus, University of Tokyo. |
![]() Sadanagaite + Pronunciation |
![]() | | Sadanagaite Image
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Sadanagaite Crystallography![]() a:b:c =0.5509:1:0.2971 |
![]() a = 9.922, b = 18.01, c = 5.352, Z = 2; beta = 105.3° V = 922.48 Den(Calc)= 3.36 |
![]() MonoclinicSpace Group: C 2,Cm,C 2/m |
![]() By Intensity(I/Io): 3.38(1), 8.48(0.8), 3.15(0.7), |
| Physical Properties of Sadanagaite![]() {110} Perfect |
![]() Dark brown, Black. |
![]() 3.3 |
![]() Transparent to Translucent |
![]() 6 - Orthoclase |
![]() Vitreous (Glassy) |
![]() light brown |
| Optical Properties of Sadanagaite![]() CI meas= 0.012 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.03 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2038,KPDmeas= 0.2075,KC= 0.2101 Ncalc = 1.69 - 1.71 ![]() Biaxial (-), a=1.673, b=1.684, g=1.697, bire=0.0240, 2V(Calc)=86, 2V(Meas)=80-90. |
![]() colorless or pale brown. |
![]() brownish yellow or greenish brown. |
| Calculated Properties of Sadanagaite![]() Bulk Density (Electron Density)=3.25 gm/cc |
note: Specific Gravity of Sadanagaite =3.30 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PESadanagaite = 7.04 barns/electron |
U=PESadanagaite x relectron= 22.89 barns/cc. ![]() |
GRapi = 44.72 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Sadanagaite | Sadanagaite Classification![]() 66.01.03a.17 (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.03a)Group 2, the calcic amphiboles |
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![]() 09.DE.10 09 - SILICATES (Germanates) |
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09.D - Inosilicates* Structural terminology according to Liebau (1985) |
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09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family |
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| Other Sadanagaite Information![]() NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
![]() Links to other databases for Sadanagaite : |
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 Sadanagaite using: Visit our Advertisers for Sadanagaite : A Bijoux Google Search for SadanagaiteAdam's Minerals Google Search for Sadanagaite Cape Minerals Google Search for Sadanagaite Dakota Matrix Minerals Google Search for Sadanagaite Excalibur Mineral Corp. Google Search for Sadanagaite Exceptional Minerals Google Search for Sadanagaite John Betts Fine Minerals Search for Sadanagaite McDougall Minerals Google Search for Sadanagaite Mineral News Website Link Rock and Mineral Shows Google Search for Sadanagaite Weinrich Minerals, Inc. Google Search for Sadanagaite Ask about Sadanagaite here : Print or Cut-and-Paste your Sadanagaite Specimen Label here :
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