Oxygen: Difference between revisions
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* PbO<sub>2</sub> [https://en.wikipedia.org/wiki/Lead_dioxide] -- alpha-PbO<sub>2</sub> [https://en.wikipedia.org/wiki/Scrutinyite scrutinyite] -- beta-PbO<sub>2</sub> [https://en.wikipedia.org/wiki/Plattnerite plattnerite] {{todo|find out Mohs hardness of PbO<sub>2</sub> minerals}} | * PbO<sub>2</sub> [https://en.wikipedia.org/wiki/Lead_dioxide] -- alpha-PbO<sub>2</sub> [https://en.wikipedia.org/wiki/Scrutinyite scrutinyite] -- beta-PbO<sub>2</sub> [https://en.wikipedia.org/wiki/Plattnerite plattnerite] {{todo|find out Mohs hardness of PbO<sub>2</sub> minerals}} | ||
(All those have rutile structure. See page about [[silicon]].)<br> | |||
{{todo|Here maybe some [[pseudo phase diagram]]s can be made.}} | {{todo|Here maybe some [[pseudo phase diagram]]s can be made.}} | ||
Revision as of 13:13, 8 July 2017
- Up: Chemical element
Oxides
(TODO: discuss major ones here)
Carbon group / group IV / group 14 oxides
- CO2 normally the well known gas but highly explosive when in solid sp3 form (analog to quartz)
- SiO2 quartz and its various known polymorphs (~Mohs 7)
- GeO2 argutite Mohs 6-7 -- germanium is a rather rare element!
- SnO2 cassierite Mohs 6-7
- PbO2 [1] -- alpha-PbO2 scrutinyite -- beta-PbO2 plattnerite (TODO: find out Mohs hardness of PbO2 minerals)
(All those have rutile structure. See page about silicon.)
(TODO: Here maybe some pseudo phase diagrams can be made.)
Related
External links
- Unstable oxygen chain polymers: Hydrogen polyoxides (Wikipedia)
- Maybe of relevance: Surface properties of transition metal oxides (Wikipedia)