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Augite |
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Bindi L, Safonov O G, Yapaskurt V O, Perchuk L L, Menchetti S |
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American Mineralogist 88 (2003) 464-468 |
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Ultrapotassic clinopyroxene from the Kumdy-Kol microdiamond mine, Kokchetav |
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Complex, Kazakhstan: Occurrence, composition and crystal-chemical characterization |
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_database_code_amcsd 0002990 |
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9.773 8.926 5.269 90 105.75 90 C2/c |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Ca2 0 .30131 .25000 .61 .0110 .0124 .0105 .0064 0 -.0035 0 |
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Fe2 0 .30131 .25000 .13 .0110 .0124 .0105 .0064 0 -.0035 0 |
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Mg2 0 .30131 .25000 .04 .0110 .0124 .0105 .0064 0 -.0035 0 |
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Mn2 0 .30131 .25000 .01 .0110 .0124 .0105 .0064 0 -.0035 0 |
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K2 0 .30131 .25000 .17 .0110 .0124 .0105 .0064 0 -.0035 0 |
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Na2 0 .30131 .25000 .05 .0110 .0124 .0105 .0064 0 -.0035 0 |
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Al1 0 .90339 .25000 .61 .0086 .0095 .0091 .0067 0 .0016 0 |
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Mg1 0 .90339 .25000 .39 .0086 .0095 .0091 .0067 0 .0016 0 |
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SiT .28752 .09211 .23187 .805 .0068 .0073 .0083 .0051 -.0020 .0022 .0006 |
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AlT .28752 .09211 .23187 .195 .0068 .0073 .0083 .0051 -.0020 .0022 .0006 |
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O1 .1148 .0867 .1462 .0103 .0074 .0117 .0119 .0006 .0031 .0007 |
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O2 .3614 .2496 .3201 .0118 .0137 .0117 .0119 -.0074 .0066 .0004 |
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O3 .3490 .0191 .9871 .0118 .0115 .0145 .0091 -.0062 .0025 -.0061 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure
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Hydroxylchondrodite |
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Pekov I V, Gerasimova E I, Chukanov N V, Kabalov Y K, Zubkova N V, |
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Zadov A E, Yapaskurt V O, Gekimyants V M, Pushcharovskii D Y |
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Doklady Akademii Nauk 436 (2011) 526-532 |
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Hydroxylchondrodite Mg5(SiO4)2(OH)2: a new mineral of the humite group |
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and its crystal structure |
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Locality: Perovskitovaya Kop', Chuvashskie Mountains, Southern Urals, Russia |
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_database_code_amcsd 0018887 |
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7.880 4.726 10.290 90 109.04 90 P2_1/c |
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atom x y z occ Biso |
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Mg1 .5 .5 0 1.4 |
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Mg2 .3073 .016 .1753 1.0 |
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Mg3 .0780 .498 .8915 .85 .8 |
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Ti3 .0780 .498 .8915 .15 .8 |
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Si .7029 .0800 .1429 1.2 |
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O1 .294 .777 .003 1.0 |
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O2 .119 .712 .240 1.0 |
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O3 .530 .226 .163 1.2 |
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O4 .300 .262 .856 .8 |
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OH5 .098 .256 .051 .66 .8 |
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F5 .098 .256 .051 .12 .8 |
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O5 .098 .256 .051 .22 .8 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
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