towanite

例句：

1. 1.The towanite crystals were discovered in the deserted village.
   在废弃的村庄里发现了托瓦内特石。
2. 2.The towanite was used as a decorative stone in ancient times.
   托瓦内特石在古代被用作装饰石。
3. 3. The towanite is known for its unique color and pattern.
   托瓦内特石以其独特的颜色和图案而闻名。