|
Graftonite |
 |
Nord A G, Ericsson T |
 |
American Mineralogist 67 (1982) 826-832 |
|
The cation distribution in synthetic (Fe,Mn)3(PO4)2 graftonite-type solid |
|
solutions |
|
_database_code_amcsd 0000872 |
|
8.810 11.370 6.155 90 99.07 90 P2_1/c |
|
atom x y z occ |
|
Fe1 .951 .128 .854 .5 |
|
Fe2 .735 .058 .314 .5 |
|
Fe3 .381 .204 .142 .5 |
|
Mn1 .951 .128 .854 .5 |
|
Mn2 .735 .058 .314 .5 |
|
Mn3 .381 .204 .142 .5 |
|
P1 .083 .146 .379 |
|
P2 .621 .100 .806 |
|
O1 .078 .060 .147 |
|
O2 .471 .194 .811 |
|
O3 .923 .188 .382 |
|
O4 .720 .112 .613 |
|
O5 .233 .232 .335 |
|
O6 .701 .081 .018 |
|
O7 .153 .056 .601 |
|
O8 .527 -.051 .760 |
|
|
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|
| |
|
Olivine |
| |
Nord A G, Annersten H, Filippidis A |
|
American Mineralogist 67 (1982) 1206-1211 |
|
The cation distribution in synthetic Mg-Fe-Ni olivines |
|
sample H2 |
|
_database_code_amcsd 0000885 |
|
4.762 10.244 5.989 90 90 90 Pbnm |
|
atom x y z occ Biso |
|
Ni1 0 0 0 .45 -0.9 |
|
Mg1 0 0 0 .43 -0.9 |
|
Fe1 0 0 0 .12 -0.9 |
|
Mg2 .989 .278 .25 .71 -0.9 |
|
Fe2 .989 .278 .25 .22 -0.9 |
|
Ni2 .989 .278 .25 .07 -0.9 |
|
Si .418 .098 .25 -2.3 |
|
O1 .776 .102 .25 -2.3 |
|
O2 .207 .470 .25 -2.3 |
|
O3 .274 .163 .029 -2.3 |
|
|
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|
| |
|
Olivine |
| |
Nord A G, Annersten H, Filippidis A |
|
American Mineralogist 67 (1982) 1206-1211 |
|
The cation distribution in synthetic Mg-Fe-Ni olivines |
|
sample H4 |
|
_database_code_amcsd 0000886 |
|
4.747 10.193 5.951 90 90 90 Pbnm |
|
atom x y z occ Biso |
|
Ni1 0 0 0 .68 0.90 |
|
Mg1 0 0 0 .30 0.90 |
|
Fe1 0 0 0 .02 0.90 |
|
Mg2 .986 .277 .25 .72 0.90 |
|
Fe2 .986 .277 .25 .06 0.90 |
|
Ni2 .986 .277 .25 .22 0.90 |
|
Si .426 .096 .25 -0.3 |
|
O1 .779 .101 .25 -0.3 |
|
O2 .207 .458 .25 -0.3 |
|
O3 .265 .167 .035 -0.3 |
|
|
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|
| |
|
Sarcopside |
|
Ericsson T, Nord A G |
|
American Mineralogist 69 (1984) 889-895 |
|
Strong cation ordering in olivine-related (Ni,Fe)-sarcopsides: a combined |
|
Mossbauer, X-ray and neutron diffraction study |
|
neutron diffraction |
|
_database_code_amcsd 0000956 |
|
10.363 4.732 5.990 90 90.91 90 P2_1/a |
|
atom x y z occ Biso |
|
Ni1 0 0 .5 .83 .2 |
|
Fe1 0 0 .5 .17 .2 |
|
Fe2 .282 -.023 .237 .97 .2 |
|
Ni2 .282 -.023 .237 .03 .2 |
|
P .093 .414 .266 .5 |
|
O1 .107 .746 .276 .1 |
|
O2 .460 .188 .253 .1 |
|
O3 .179 .313 .064 .1 |
|
O4 .158 .276 .468 .1 |
|
|
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|
| |
|
Sarcopside |
|
Nord A G, Stefanidis T |
| |
Physics and Chemistry of Minerals 10 (1983) 10-15 |
|
Crystallographic studies of some olivine-related (Ni,Mg)3(PO4)2 |
|
solid solutions |
|
Sample: Ni3(PO4)2 |
|
_database_code_amcsd 0007352 |
|
10.108 4.698 5.831 90 91.12 90 P2_1/a |
|
atom x y z Biso |
|
NiM1 0 0 .5 -.3 |
|
NiM2 .273 -.013 .241 -.3 |
|
P .094 .423 .256 -1.4 |
|
O1 .104 .732 .270 -2.5 |
|
O2 .455 .204 .252 -2.5 |
|
O3 .173 .305 .050 -2.5 |
|
O4 .161 .265 .469 -2.5 |
|
|
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|
| |
|
(Ni.73Mg.27)3(PO4)2 |
| |
Nord A G, Stefanidis T |
| |
Physics and Chemistry of Minerals 10 (1983) 10-15 |
|
Crystallographic studies of some olivine-related (Ni,Mg)3(PO4)2 |
|
solid solutions |
|
Sample: Ni/Mg-1a |
|
_database_code_amcsd 0007353 |
|
10.122 4.700 5.838 90 91.11 90 P2_1/a |
|
atom x y z occ Biso |
|
NiM1 0 0 .5 .88 3.7 |
|
MgM1 0 0 .5 .12 3.7 |
|
NiM2 .274 -.013 .240 .66 3.7 |
|
MgM2 .274 -.013 .240 .34 3.7 |
|
P .089 .425 .257 3.9 |
|
O1 .113 .751 .270 -.9 |
|
O2 .436 .203 .248 -.9 |
|
O3 .184 .276 .028 -.9 |
|
O4 .172 .279 .472 -.9 |
|
|
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|
| |
|
(Ni.6Mg.4)3(PO4)2 |
| |
Nord A G, Stefanidis T |
| |
Physics and Chemistry of Minerals 10 (1983) 10-15 |
|
Crystallographic studies of some olivine-related (Ni,Mg)3(PO4)2 |
|
solid solutions |
|
Sample: Ni/Mg-2b |
|
_database_code_amcsd 0007354 |
|
10.154 4.706 5.870 90 90.83 90 P2_1/a |
|
atom x y z occ Biso |
|
NiM1 0 0 .5 .8 1.2 |
|
MgM1 0 0 .5 .2 1.2 |
|
NiM2 .276 -.013 .244 .5 1.2 |
|
MgM2 .276 -.013 .244 .5 1.2 |
|
P .096 .422 .255 1.1 |
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O1 .111 .738 .269 -.2 |
|
O2 .461 .184 .249 -.2 |
|
O3 .180 .300 .057 -.2 |
|
O4 .169 .274 .459 -.2 |
|
|
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|
| |
|
(Ni.45Mg.55)3(PO4)2 |
| |
Nord A G, Stefanidis T |
| |
Physics and Chemistry of Minerals 10 (1983) 10-15 |
|
Crystallographic studies of some olivine-related (Ni,Mg)3(PO4)2 |
|
solid solutions |
|
Sample: Ni/Mg-3c |
|
_database_code_amcsd 0007355 |
|
10.177 4.713 5.889 90 90.74 90 P2_1/a |
|
atom x y z occ Biso |
|
NiM1 0 0 .5 .68 .7 |
|
MgM1 0 0 .5 .32 .7 |
|
NiM2 .276 -.013 .245 .34 .7 |
|
MgM2 .276 -.013 .245 .66 .7 |
|
P .096 .423 .253 2.0 |
|
O1 .114 .741 .270 .8 |
|
O2 .461 .187 .245 .8 |
|
O3 .178 .302 .054 .8 |
|
O4 .172 .275 .460 .8 |
|
|
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|
| |
|
Farringtonite |
|
Nord A G, Kierkegaard P |
| |
Acta Chemica Scandinavica 22 (1968) 1466-1474 |
|
The crystal structure of Mg3(PO4)2 |
|
Locality: synthetic |
|
_database_code_amcsd 0011901 |
|
7.5957 8.2305 5.0775 90 94.05 90 P2_1/n |
|
atom x y z Biso |
|
Mg1 .6095 .1432 .0920 .47 |
|
Mg2 0 0 .5 .37 |
|
P .1996 .1946 .0355 .33 |
|
O1 .0589 .1446 .8188 .51 |
|
O2 .1262 .1995 .3036 .56 |
|
O3 .2592 .3629 .9470 .37 |
|
O4 .3545 .0759 .0459 .27 |
|
|
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|
| |
|
Mn2V2O7 |
| |
Nord A G |
| |
Neues Jahrbuch fur Mineralogie, Monatshefte 1984 (1984) 283-288 |
|
Possible disorder in the thortveitite-type Mn2V2O7 structure |
|
Note: split atom model |
|
_database_code_amcsd 0014787 |
|
6.719 8.719 4.966 90 103.60 90 C2/m |
|
atom x y z occ Biso |
|
Mn 0 .310 .5 .7 |
|
V .241 0 .904 -2.0 |
|
O1 0 .026 0 .5 1.4 |
|
O2 .411 0 .219 .5 |
|
O3 .231 .161 .714 .8 |
|
|
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|
| |
|
Mn2V2O7 |
| |
Nord A G |
| |
Neues Jahrbuch fur Mineralogie, Monatshefte 1984 (1984) 283-288 |
|
Possible disorder in the thortveitite-type Mn2V2O7 structure |
|
_database_code_amcsd 0014788 |
|
6.719 8.719 4.966 90 103.60 90 C2/m |
|
atom x y z Biso |
|
Mn 0 .311 .5 .8 |
|
V .239 0 .903 -2.3 |
|
O1 0 0 0 2.8 |
|
O2 .410 0 .219 .4 |
|
O3 .231 .161 .714 1.1 |
|
|
| Download AMC data (View Text File)
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|
| |
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