Quartzite is a hard, metamorphic rock which was originally Sandstone. Sandstone is converted into quartzite through heating and pressure usually related to tectonic compression. Some varieties of Quartzite is 99% SiO2, and 1% Iron.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/PdDvmI4MP2YkA4RibWiZ4A== | 5.88129e-14 |
| dbr:Quartzite | 5.88129e-14 |