Ystersulfied: Verskil tussen weergawes
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'n '''Ystersulfied''' is 'n verbinding van [[yster]] met [[swawel]] |
'n '''Ystersulfied''' is 'n verbinding van [[yster]] met [[swawel]] |
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Daar is 'n verskeidenheid ystersulfiede bekend.<ref>{{webaanhaling|url=ftp://ftp.soest.hawaii.edu/glazer/Chen%20References/Papers1/FeS.pdf|titel=Chemistry of Iron Sulfides, {{Outeur|David Rickard, George W. Luther III}} Chem. Rev.2007, 107, bls. 514−562}}</ref> |
Daar is 'n verskeidenheid ystersulfiede bekend.<ref>{{webaanhaling|url=ftp://ftp.soest.hawaii.edu/glazer/Chen%20References/Papers1/FeS.pdf|titel=Chemistry of Iron Sulfides, {{Outeur|David Rickard, George W. Luther III}} Chem. Rev.2007, 107, bls. 514−562}}</ref> Die meeste word as [[mineraal|minerale aangetref]] |
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|{{chem|Fe|9|S|11}}||smythiet||romboëdries||R3m||[[metastabiele ewewig|metastabiele]] fase gevind in hidrotermale sisteme |
|{{chem|Fe|9|S|11}}||smythiet||romboëdries||R3m||[[metastabiele ewewig|metastabiele]] fase gevind in hidrotermale sisteme |
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|{{chem|Fe|3|S|4}}||greigiet||kubies||Fd{{bostreep|3}}m||[[metastabiele ewewig|metastabiele]] tio[[spinel]] Fe(II)Fe(III) sulfied;taamlik volop naby soetwatersisteme |
|{{chem|Fe|3|S|4}}||[[greigiet]]||kubies||Fd{{bostreep|3}}m||[[metastabiele ewewig|metastabiele]] tio[[spinel]] Fe(II)Fe(III) sulfied; taamlik volop naby soetwatersisteme |
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|{{chem|Fe|S|2}}||[[piriet]]||kubies||Pa3||volopste mineraal op die aardoppervlak; stabiele Fe(II)''di''sulfied |
|{{chem|Fe|S|2}}||[[piriet]]||kubies||Pa3||volopste mineraal op die aardoppervlak; stabiele Fe(II)''di''sulfied |
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Wysiging soos op 01:03, 18 Julie 2017
'n Ystersulfied is 'n verbinding van yster met swawel
Daar is 'n verskeidenheid ystersulfiede bekend.[1] Die meeste word as minerale aangetref
| formule | naam | simmetrie | ruimtegroep | eienskappe |
|---|---|---|---|---|
| FeS | mackinawiet | tetragonaal | P4/nmm | metastabiele fase wat vorm as neerslag uit waterige oplossings |
| FeS | kubiese FeS | kubies | F43m | unstabiele fase wat vorm voor macknawiet |
| FeS | troiliet | heksagonaal | P62c | stoigiometriese eindlid van in meteoriete gevond word |
| Fe1-xS x<0.2 | pyrrhotiet | ht: heksagonaal; lt:superstruktuur monoklien |
P6₃/mmc A2/a |
volopste fase in minerale; selde in mariene sedimente |
| Fe9S11 | smythiet | romboëdries | R3m | metastabiele fase gevind in hidrotermale sisteme |
| Fe3S4 | greigiet | kubies | Fd3m | metastabiele tiospinel Fe(II)Fe(III) sulfied; taamlik volop naby soetwatersisteme |
| FeS2 | piriet | kubies | Pa3 | volopste mineraal op die aardoppervlak; stabiele Fe(II)disulfied |
| FeS2 | markasiet | ortorombies | Pnnm | metastabiele Fe(II)disulfied; volop in hidrotermale en sedimentêre gesteentes |