Sapphires!

Madagascar has become known for precious and semi-precious stones, mostly sapphires. Mining is done both in open pits and deep shafts. All the work of digging, sifting, sotring, etc. is done byもっと詳しく
Madagascar has become known for precious and semi-precious stones, mostly sapphires. Mining is done both in open pits and deep shafts. All the work of digging, sifting, sotring, etc. is done byもっと詳しく