1. The jewelry maker used cyanite gemstones to create a stunning necklace.
珠宝商使用蓝晶石宝石制作了一条令人惊叹的项链。

2. Cyanite is a mineral that is often found in metamorphic rocks.
蓝晶石是一种经常在变质岩中发现的矿物质。

3. In the past, cyanite was used as a reagent in certain chemical reactions.
过去，蓝晶石曾被用作某些化学反应中的试剂。