Local industry relies on the precious and semiprecious stones found in the mines, some of which are more than 40 feet (12 meters) deep.

当地的工业依靠在矿地淘宝石或次级宝石而生，有些矿井深达40英尺(12米)。

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She uses a rainbow of precious and semiprecious stones, cutting the latter into droplet-like briolettes (a cut traditionally reserved for diamonds) to intensify their sparkle.

WSJ: 20 Odd Questions for Marie-H��l��ne de Taillac