Hongquiite: Difference between revisions
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There is conflicting info on the web. <br> | There is conflicting info on the web. <br> | ||
Seems evidence mounts for TiO. <br> | Seems evidence mounts for TiO. <br> | ||
Simple cubic rock salt structure, so much is sure. | |||
== TiO == | == TiO == | ||
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* [https://www.sciencedirect.com/science/article/abs/pii/0016703785900614 1985 – The heat-capacity of ilmenite and phase equilibria in the system Fe-T-O] | * [https://www.sciencedirect.com/science/article/abs/pii/0016703785900614 1985 – The heat-capacity of ilmenite and phase equilibria in the system Fe-T-O] | ||
* https://www.researchgate.net/figure/Graphical-illustration-of-two-dominant-phases-formed-in-a-multi-Ti-oxide-phased_fig2_282870768 | * https://www.researchgate.net/figure/Graphical-illustration-of-two-dominant-phases-formed-in-a-multi-Ti-oxide-phased_fig2_282870768 | ||
* https://de.wikipedia.org/wiki/Systematik_der_Minerale_nach_Dana/Oxide_und_Hydroxide (hongquite liste as oxide) | |||
* https://de.wikipedia.org/wiki/Monteponit & https://de.wikipedia.org/wiki/W%C3%BCstit & https://de.wikipedia.org/wiki/Manganosit & https://de.wikipedia.org/wiki/Bunsenit & https://de.wikipedia.org/wiki/Thortveitit & https://de.wikipedia.org/wiki/Periklas (hongquite liste as oxide) | |||
== TiC == | == TiC == | ||
* [https://www.mineralienatlas.de/lexikon/index.php/MineralData?lang=en&mineral=Hongquiite German mineral atlas Hongquiite] | * [https://www.mineralienatlas.de/lexikon/index.php/MineralData?lang=en&mineral=Hongquiite German mineral atlas Hongquiite] Mohs 5.5 to 6.0 | ||
* [https://euromin.w3sites.net/mineraux/HONGQUIITE.html euromin Hongquiite] Mohs 5.5 to 6.0 (odd, TiC should be harder) | * [https://euromin.w3sites.net/mineraux/HONGQUIITE.html euromin Hongquiite] Mohs 5.5 to 6.0 (odd, TiC should be harder) | ||
* https://de.wikipedia.org/wiki/Haxonit https://de.wikipedia.org/wiki/Lapis-Systematik (hongquite listed among carbides) | |||
=== TiC as khamrabaevite === | |||
* [https://en.wikipedia.org/wiki/Titanium_carbide Wikipedia: Titanium carbide] Mohs 9.0 to 9.5 | |||
== Related == | == Related == | ||
* [[Titanium]] | * [[Titanium]] | ||
---- | |||
* [[Khamrabaevite]] TiC | |||
* [[Osbormite]] TiN | |||
* [[Hongquiite]] TiO (this pager here) | |||
---- | |||
Same nonmetallide combinations but with silicon. | |||
These are all not simple cubic <br> | |||
hinting on limits on Si vs Ti substitutability. | |||
* [[Moissanite]] SiC | |||
* [[Nierite]] Si<sub>3</sub>N<sub>4</sub> | |||
* SiO<sub>2</sub>: [[Quartz]], [[Stishovite]], [[Seifertite]], … | |||
Latest revision as of 15:44, 11 September 2025
Mystery:
Is this mineral TiO or TiC (latter being end-member of khambravateit)?
There is conflicting info on the web.
Seems evidence mounts for TiO.
Simple cubic rock salt structure, so much is sure.
TiO
- mindat.org Hongquiite – Mohs 3.5 (odd, seems a bit soft)
- webmineral.com Hongquiite – Mohs 5.0 to 6.0
- ins-europa Hongquiite
- 2011 – Chemical modification of titanium immersed in hydrogen peroxide using nanosecond pulsed fiber laser irradiation
- 2021 – Porous micro/nano structured oxidic titanium surface decorated with silicon monoxide
- https://www.chemicalbook.com/synthesis/titanium-monoxide.htm
- https://it.wikipedia.org/wiki/Hongquiite
- https://athena.unige.ch/minfich?id=HONGQUIITE
- https://www.chemicalbook.com/ChemicalProductProperty_EN_CB6283368.htm
- https://www.chemicalbook.com/synthesis/titanium-monoxide.htm
- 1985 – The heat-capacity of ilmenite and phase equilibria in the system Fe-T-O
- https://www.researchgate.net/figure/Graphical-illustration-of-two-dominant-phases-formed-in-a-multi-Ti-oxide-phased_fig2_282870768
- https://de.wikipedia.org/wiki/Systematik_der_Minerale_nach_Dana/Oxide_und_Hydroxide (hongquite liste as oxide)
- https://de.wikipedia.org/wiki/Monteponit & https://de.wikipedia.org/wiki/W%C3%BCstit & https://de.wikipedia.org/wiki/Manganosit & https://de.wikipedia.org/wiki/Bunsenit & https://de.wikipedia.org/wiki/Thortveitit & https://de.wikipedia.org/wiki/Periklas (hongquite liste as oxide)
TiC
- German mineral atlas Hongquiite Mohs 5.5 to 6.0
- euromin Hongquiite Mohs 5.5 to 6.0 (odd, TiC should be harder)
- https://de.wikipedia.org/wiki/Haxonit https://de.wikipedia.org/wiki/Lapis-Systematik (hongquite listed among carbides)
TiC as khamrabaevite
- Wikipedia: Titanium carbide Mohs 9.0 to 9.5
Related
- Khamrabaevite TiC
- Osbormite TiN
- Hongquiite TiO (this pager here)
Same nonmetallide combinations but with silicon.
These are all not simple cubic
hinting on limits on Si vs Ti substitutability.
- Moissanite SiC
- Nierite Si3N4
- SiO2: Quartz, Stishovite, Seifertite, …