Parvo-manganotremolite Oberti R, Camara F, Della Ventura G, Iezzi G, Benimoff A I American Mineralogist 91 (2006) 526-532 Parvo-mangano-edenite, parvo-manganotremolite, and the solid solution between Ca and Mn2+ at the M4 site in amphiboles Locality: amphibole, Grenville marble, Arnold open pit, St Lawrence Co, New York, USA Sample: 1104 Note: A and B occupancies invented to match formula _database_code_amcsd 0004127 9.7807 18.0548 5.2928 90 104.19 90 C2/m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) NaA 0 .5 0 .05 1.92 NaAm .043 .5 .106 .105 3.37 .0092 .0022 .0463 0 .0146 0 KAm .043 .5 .106 .005 3.37 .0092 .0022 .0463 0 .0146 0 NaA2 0 .4714 0 .09 2.32 .0054 .0011 .0451 0 .0156 0 CaM4B 0 .2713 .5 .565 1.42 .0028 .0017 .0112 0 .0029 0 MnM4B 0 .2713 .5 .415 1.42 .0028 .0017 .0112 0 .0029 0 NaM4B 0 .2713 .5 .02 1.42 .0028 .0017 .0112 0 .0029 0 MgM1 0 .0878 .5 .94 .59 .0017 .0004 .0059 0 .0005 0 Mn2+M1 0 .0878 .5 .06 .59 .0017 .0004 .0059 0 .0005 0 MgM2 0 .1767 0 .935 .62 .0017 .0004 .0065 0 .0005 0 Mn2+M2 0 .1767 0 .045 .62 .0017 .0004 .0065 0 .0005 0 Fe2+M2 0 .1767 0 .015 .62 .0017 .0004 .0065 0 .0005 0 Fe3+M2 0 .1767 0 .005 .62 .0017 .0004 .0065 0 .0005 0 MgM3 0 0 0 .46 .63 .0017 .0004 .0065 0 .0003 0 AlM3 0 0 0 .03 .63 .0017 .0004 .0065 0 .0003 0 SiT1 .2822 .0843 .2923 .88 .50 .0012 .0003 .0059 -.0001 0 -.0001 AlT1 .2822 .0843 .2923 .12 .50 .0012 .0003 .0059 -.0001 0 -.0001 SiT2 .2913 .1710 .7995 .55 .0013 .0004 .0056 -.0002 0 .0001 O1 .1115 .0859 .2165 .64 .0014 .0005 .0062 0 -.0001 .0001 O2 .1204 .1720 .7239 .69 .0016 .0005 .0076 0 .0006 0 O3 .1103 0 .7147 .65 .0016 .0004 .0075 0 .0002 0 O4 .3691 .2477 .7830 1.03 .0029 .0006 .0107 -.0005 -.0001 .0002 O5 .3482 .1349 .0930 .99 .0018 .0010 .0088 0 .0001 .0011 O6 .3455 .1169 .5880 1.02 .0017 .0010 .0100 0 .0002 -.0011 O7 .3407 0 .2783 1.02 .0020 .0004 .0161 0 .0004 0 H .204 0 .768 2.06