
Diamonds, rubies, and pearls are among the most precious stones found under the earth. Whether used as decoration or in modern medical technology, this new book will show readers how these stones are formed and how we use them.

Diamonds, rubies, sapphires, pearls, and opals are among the most precious stones found under the earth. Whether ornamenting royal scepters or equipping modern medical technology, this new book will show readers how these stones have an established place in our world. Other features...