| NOM | substance | calcedònia | a milky or greyish translucent to transparent quartz |
|---|
| Sentit | A milky or greyish translucent to transparent quartz. | |
|---|---|---|
| Específic | cornalina | A translucent red or orange variety of chalcedony |
| crisoprasa, crisoprasi, crisopras | A green variety of chalcedony valued as a gemstone | |
| heliotropi | green chalcedony with red spots that resemble blood | |
| plasma | A green slightly translucent variety of chalcedony used as a gemstone | |
| sard | A deep orange-red variety of chalcedony | |
| àgata | An impure form of quartz consisting of banded chalcedony | |
| ònix | A chalcedony with alternating black and white bands | |
| General | gemma transparent | A gemstone having the property of transmitting light without serious diffusion |
| quars | A hard glossy mineral consisting of silicon dioxide in crystal form | |
| Anglès | chalcedony, calcedony | |
| Espanyol | calcedonia | |
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