SCIENCE|natural and applied sciences|earth sciences|geology
- grianchloch Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- Quarz
- de
- Sainmhíniú als Quarze bezeichnet man verschiedene Arten des Siliziumdioxids in Kristallform Tagairt Zolltarif
- quartz
- en
- Sainmhíniú mineral made up of a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2 Tagairt Wikipedia http://en.wikipedia.org/wiki/Quartz [2.7.2010]
- Nóta There are many different varieties of quartz but not all varieties of quartz are naturally occurring
- quartz
- fr
- Sainmhíniú variété allotropique de la silice cristallisée Tagairt NF B 40-012:1959