| NOM | substance | quars | a hard glossy mineral consisting of silicon dioxide in crystal form |
|---|
| Sentit | A hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities. | |
|---|---|---|
| Específic | ametista | A transparent purple variety of quartz |
| aventurina, venturina | A translucent quartz spangled with bits of mica or other minerals | |
| cairngorm | A smoky yellow or brown quartz | |
| calcedònia | A milky or greyish translucent to transparent quartz | |
| citrina | semiprecious yellow quartz resembling topaz | |
| cristall de roca, quars hialí | A clear quartz used in making electronic and optical equipment | |
| quars rosa | A translucent rose-red variety of quartz used for ornaments | |
| General | mineral | Solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
| Substàncias | diòxid de silici, sílice | A white or colorless vitreous insoluble solid (SiO2) |
| número atòmic 14, silici, Si | A tetravalent nonmetallic element | |
| Anglès | quartz | |
| Espanyol | cuarzo | |
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