But this multifunctional ore is much more than just an industrial mineral, some rare specimens of Cassiterite are definitely gem quality: rare, beautiful and durable.

• 但这些多功能矿石比一个仅是工业用途矿能给我们带来更大的惊喜，一些稀有的锡石标本明显具有宝石的品质：稀有、美丽和坚固。