| Magnesiochloritoid Mineral Data |
General Magnesiochloritoid Information |
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| MgAl2SiO5(OH)2 | |||
| Molecular Weight = 220.37 gm | |||
| Magnesium 11.03 % Mg 18.29 % MgO | |||
| Aluminum 24.49 % Al 46.27 % Al2O3 | |||
| Silicon 12.74 % Si 27.27 % SiO2 | |||
| Hydrogen 0.91 % H 8.18 % H2O | |||
| Oxygen 50.82 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| MgAl2SiO5(OH)2 | |||
| Approved IMA 1983 | |||
| Link to MinDat.org Location Data. | |||
| Sismondine | |||
Search for Magnesiochloritoid Images | |||
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Magnesiochloritoid Crystallography |
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| a:b:c =1.7291:1:3.3233 | |||
| a = 9.46, b = 5.471, c = 18.182, Z = 9; beta = 101.4° V = 922.46 Den(Calc)= 3.57 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | |||
| By Intensity(I/Io): 4.47(1), 2.46(0.9), 2.97(0.8), | |||
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Physical Properties of Magnesiochloritoid |
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| [001] Perfect, [110] Distinct | |||
| Greenish gray, Greenish black. | |||
| 3.5 - 3.6, Average = 3.55 | |||
| Translucent | |||
| 6.5 - Pyrite | |||
| Pearly | |||
| gray white | |||
Optical Properties of Magnesiochloritoid |
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| CI meas= 0.065 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.07 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2017,KPDmeas= 0.2028,KC= 0.2169 |
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| Biaxial (?), b=1.72 | |||
Calculated Properties of Magnesiochloritoid |
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relectron=3.54 gm/cc |
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| Fermion Index = 0.01722 Boson Index = 0.98278 |
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PEMagnesiochloritoid = 1.47 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Magnesiochloritoid is Not Radioactive |
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Magnesiochloritoid Classification |
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| 52.3.3.2 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O | |||
| (52.3)with cations in [6] coordination only | |||
| (52.3.3)Chloritoid group | |||
| VIII/B.24-10 VIII - Silicates | |||
| VIII/B - Nesosubsilicates, with anions unfamiliar to tetraheders, cationes with coordinationnumber between [8] and [12] | |||
| VIII/B.24 - Magnesiochloritoid - Ottrelite series | |||
Other Magnesiochloritoid Information |
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| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Magnesiochloritoid : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (MinSocAm) 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST Search for Magnesiochloritoid using: Visit our Advertisers for Magnesiochloritoid : Translate Magnesiochloritoid Mineral Data : Ask about Magnesiochloritoid here : Print or Cut-and-Paste your Magnesiochloritoid Specimen Label here :
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