Quartz: Difference between revisions
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* has higher crsytal structure symmetry (the same as [[rutile]]) | * has higher crsytal structure symmetry (the same as [[rutile]]) | ||
* is metastable (hopefully) | * is metastable (hopefully) | ||
There are several other known [[polymorphs of silicon dioxide]]. <br> | There are several other known '''[[polymorphs of silicon dioxide]]'''. <br> | ||
One of them is [[Seifertite]] which is also a denser and harder thah quartz. | One of them is [[Seifertite]] which is also a denser and harder thah quartz. | ||
[[Category:Base materials with high potential]] | [[Category:Base materials with high potential]] | ||
[[Category:Gemstones with color based names]] | [[Category:Gemstones with color based names]] | ||
Latest revision as of 13:01, 23 September 2025
Advantages:
- Silicon and oxygen are the two most common elements in earth's crust
- much lower than diamond but still decent hardness
Disadvantages:
- low crystal structure symmetry
- questionable passivatability
- much lower than diamond but still decent hardness
Color based names
- 🟨 citrine https://en.wikipedia.org/wiki/Citrine_(colour)
- 🟪 amethyst https://en.wikipedia.org/wiki/Amethyst
- ⬛ smoky quartz https://en.wikipedia.org/wiki/Smoky_quartz
Related
Stishovite a polymorph of SiO2 other than quartz that is:
- much harder
- much denser
- has higher crsytal structure symmetry (the same as rutile)
- is metastable (hopefully)
There are several other known polymorphs of silicon dioxide.
One of them is Seifertite which is also a denser and harder thah quartz.