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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=56924 Help
TitleClinopyroxene from Lipari: Comparison with analogues from other Aeolian Islands, Italy.
AuthorsPasqual, D.;Molin, G.;Zanazzi, P.F.;Crisci, G.M.
ReferenceIC&volume=36&fpage=97&details=yes target=icsd_help>Canadian Mineralogist (1998) 36, 97-105
Link XRef SCOPUS Google
CompoundAl0.11 Ca0.78 Fe0.31 Mg0.86 Mn0.01 Na0.01 O6 Si1.91 Ti0.01 - [Augite] Magnesium aluminium titanium iron iron(III) calcium sodium manganese catena-alumosilicate * [ABC2X6] [mS40] [f4 e2] []
Cell9.739(7), 8.916(4), 5.259(3), 90., 106.43(5), 90.
C12/C1 (15) V=438.01
RemarksR=0.026000 : M =Augite : =Fe : P =41-1483 :
Some Fe may be on M2': 0 .2224 .25, sample L10
Closure temperature: 1344 K, atomic parameters from author
Mean M-O: 2.079, 2.489 (CN 8), T-O: 1.636

Atom (site) Oxid. x, y, z, B, Occupancy
Mg1(4e)2
Fe1(4e)2.24
Al1(4e)3
Ti1(4e)4
Ca1(4e)2
Na1(4e)1
Mg2(4e)2
Fe2(4e)2
Mn1(4e)2
Si1(8f)4
Al2(8f)3
O1(8f)-2
O2(8f)-2
O3(8f)-2
00.900.250.000.76
00.900.250.000.21
00.900.250.000.02
00.900.250.000.01
00.290.250.010.78
00.290.250.010.01
00.290.250.010.10
00.290.250.010.10
00.290.250.010.01
0.280.090.230.000.95
0.280.090.230.000.04
0.110.080.140.001
0.360.240.320.011
0.350.01-.000.001

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