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Clintonite Mineral Data |
General Clintonite Information |
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Ca(Mg,Al)3(Al3Si)O10(OH)2 | ||
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Molecular Weight = 415.81 gm | ||
Calcium 9.64 % Ca 13.49 % CaO | |||
Magnesium 12.86 % Mg 21.32 % MgO | |||
Aluminum 22.06 % Al 41.69 % Al2O3 | |||
Silicon 8.78 % Si 18.79 % SiO2 | |||
Hydrogen 0.48 % H 4.33 % H2O | |||
Oxygen 46.17 % O | |||
______ ______ | |||
100.00 % 99.62 % = TOTAL OXIDE | |||
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CaMg2.2Al0.7Al2.7Si1.3O10(OH)2 | ||
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Serpentinized limestones and siliceous skarns near contact metamorphic zones. | ||
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Valid Species (Pre-IMA) 1843 | ||
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Amity, Warwick, Orange Co., New York, USA. Link to MinDat.org Location Data. | ||
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Named for De Witt Clinton (1769-1828), American statesman. | ||
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Brandesite | ||
Calciotalc | |||
Seybertite | |||
Xanthophyllite | |||
Clintonite Image | |||
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Clintonite Crystallography |
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a:b:c =0.5808:1:1.1244 | ||
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a = 5.306, b = 9.135, c = 10.272, Z = 2; beta = 100.01° V = 490.31 Den(Calc)= 2.82 | ||
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Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m | ||
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By Intensity(I/Io): 2.56(1), 3.21(0.7), 2.11(0.7),1.505(0.6), 1.485(0.5), 2.45(0.5), 9.68(0.5), | ||
Physical Properties of Clintonite |
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{001} Perfect | ||
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Colorless, Green, Yellow, Red, Reddish brown. | ||
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3 - 3.1, Average = 3.05 | ||
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Transparent to translucent | ||
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Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
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Massive - Lamellar - Distinctly foliated fine-grained forms. | ||
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Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | ||
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4-5 - Fluorite-Apatite | ||
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Non-fluorescent. | ||
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Pearly | ||
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colorless | ||
Optical Properties of Clintonite |
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CI meas= -0.016 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.099 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.232,KPDmeas= 0.2145,KC= 0.2111 Ncalc = 1.6 - 1.65 |
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Biaxial (-), a=1.643-1.648, b=1.655-1.662, g=1.655-1.663, bire=0.0120-0.0150, 2V(Calc)=0-28, 2V(Meas)=2-40. Dispersion none. | ||
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colorless, pale orange, or reddish brown. | ||
Calculated Properties of Clintonite |
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Bulk Density (Electron Density)=3.03 gm/cc note: Specific Gravity of Clintonite =3.05 gm/cc. |
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Fermion Index = 0.01 Boson Index = 0.99 |
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PEClintonite = 2.46 barns/electron U=PEClintonite x rElectron Density= 7.46 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Clintonite is Not Radioactive |
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Clintonite Classification |
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71.02.02c.02 (71)Phyllosilicate Sheets of Six-Membered Rings | ||
(71.02)with 2:1 Layers | |||
(71.02.02c)Mica Group (Margarite subgroup) | |||
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09.EC.35 09 - SILICATES (Germanates) | ||
09.E - Phyllosilicates | |||
09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets | |||
Other Clintonite Information |
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NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic2) | ||
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Links to other databases for Clintonite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Franklin Minerals(Dunn) 6 - GeoScienceWorld 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - HyperPhysics 12 - MinDAT 13 - Mineralienatlas (Deutsch) 14 - Online Mineral Museum 15 - QUT Mineral Atlas 16 - Ruff.Info 17 - WWW-MINCRYST Search for Clintonite using: Visit our Advertisers for Clintonite : Ask about Clintonite here : Print or Cut-and-Paste your Clintonite Specimen Label here :
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