margarosanite

例句：

1. 1. The mineral was found in the region and has been used for centuries as a decorative stone.
   这种矿物在该地区被发现，并被用作装饰石数百年。
2. 2.The color of this gemstone is so unique that it's often used as a symbol of purity.
   这种宝石的颜色如此独特，以至于它经常被用作纯洁的象征。
3. 3. Due to its rarity, margarosite is highly valued by collectors around the world.
   由于其稀有性，玛尔加罗西石受到全球收藏家的高度珍视。