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American Mineralogist Crystal Structure Database

2 matching records for this search.

Trattnerite
  
Postl W, Walter F, Ettinger K, Hauzenberger C, Bojar H P
  
European Journal of Mineralogy 16 (2004) 375-380
Trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a new mineral of the milarite group:
mineral data and crystal structure
Sample: tr1
Note: X-coordinate of A site adjusted to match reported bond lengths and Figure 3
_database_code_amcsd 0007066
10.050 10.050 14.338 90 90 120 P6/mcc
atom     x     y     z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
KC       0     0   .25 .05  .02
FeA    1/3   2/3   .25 .65       .0079  .0079  .0071  .0040      0      0
MgA    1/3   2/3   .25 .35       .0079  .0079  .0071  .0040      0      0
Mg2     .5    .5   .25 .62       .0185  .0185  .0102  .0153      0      0
Fe2     .5    .5   .25 .38       .0185  .0185  .0102  .0153      0      0
Si1  .1184 .3554 .1085           .0092  .0105  .0082  .0050 -.0002 -.0008
O1   .1345 .4019     0            .021   .018   .012   .008      0      0
O2   .2277 .2848 .1318            .017   .021   .022   .014   .001   .001
O3   .1588 .5004 .1739            .014   .014   .013  .0072 -.0011 -.0034


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Trattnerite





	 
	
Postl W, Walter F, Ettinger K, Hauzenberger C, Bojar H P




	 
	
European Journal of Mineralogy 16 (2004) 375-380




	
	
Trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a new mineral of the milarite group:




	
	
mineral data and crystal structure




	
	
Sample: tr2




	
	
Note: X-coordinate of A site adjusted to match reported bond lengths and Figure 3




	
	
_database_code_amcsd 0007067




	
	
10.065 10.065 14.341 90 90 120 P6/mcc




	
	
atom      x      y      z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)




	
	
KC        0      0    .25 .12   .019   .019   .015   .009      0      0




	
	
FeA     1/3    2/3    .25 .62  .0075  .0075  .0065  .0038      0      0




	
	
MgA     1/3    2/3    .25 .38  .0075  .0075  .0065  .0038      0      0




	
	
Mg2      .5     .5    .25 .59  .0145  .0145  .0081  .0104      0      0




	
	
Fe2      .5     .5    .25 .41  .0145  .0145  .0081  .0104      0      0




	
	
Si1  .11856 .35553 .10866      .0101  .0108  .0071  .0052 -.0000 -.0005




	
	
O1    .1339  .4009      0       .016   .015   .010   .007      0      0




	
	
O2    .2273  .2842  .1323      .0163  .0170  .0155  .0105  .0007  .0002




	
	
O3    .1595  .5012  .1737      .0139  .0133  .0104  .0077 -.0015 -.0025




	
	


  Download AMC data (View Text File)
  Download CIF data (View Text File)
  Download diffraction data (View Text File)
  View JMOL 3-D Structure (permalink)

	 

	

					
				
				
				
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	Total number of retrieved datasets: 2

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