franquanite

例句：

1. 1. The franquanite crystals are beautiful and have been used injewelry for centuries.
   这些粉晶石美丽且自古以来就被用于制作珠宝。
2. 2. The franquanite mine is a populartourist destination due to its rich mineral deposits.
   由于丰富的矿物资源，这个粉晶矿成为了一个受欢迎的旅游景点。
3. 3. The franquanite was discovered during ageological survey and has since been studiedfor its unique properties.
   这种矿物是在地质调查期间被发现的，并且因其独特的性质而受到研究。