[jey-dahyt] 
| a mineral, essentially sodium aluminum silicate, NaAlSi2O6, usually fibrous, occurring in compact masses, whitish to dark green: a form of jade. |
| jade·ite (jā'dīt') n. A rare, usually emerald to light green but sometimes white, auburn, buff, or violet mineral, NaAlSi2O6, used as a gem and for ornamental carvings. It is the tougher and more highly valued form of jade. |
| jadeite (jād'īt') Pronunciation Key
A rare, usually green mineral of the pyroxene group. Jadeite can also occur in white, auburn, buff, or violet varieties. The most highly valued form of jade consists of jadeite. Chemical formula: NaAlSi2O6. |
daɪt