pelagosite

例句：

1. 1. The pelagosite was a rare and valuable gemstone.
   这个佩拉哥斯石是一种稀有且珍贵的宝石。
2. 2. The pelagosite has been used in jewelry for centuries.
   佩拉哥斯石在珠宝中被使用了几个世纪。
3. 3. The pelagosite is known for its unique color and pattern.
   佩拉哥斯石以其独特的颜色和图案而闻名。