Herculite

例句：

1. 1.The black obsidian Herculite is a popular gemstone in jewelry.
   黑曜石是珠宝中受欢迎的宝石。
2. 2.The ancient Greek philosopher Heraclitus believed in the eternity of change.
   古希腊哲学家赫拉克利特相信变化是永恒的。
3. 3.The Herculite crystals are known for their ability to reflect light and heat.
   赫拉克利特水晶因其反射光线和热量的能力而闻名。