Question

What led to the belief that there were cities trading with gemstones?

Answer 1

De Vaca had been given arrow heads that were green in color. The conclusion at the time was that the arrow heads were made of emeralds. It was probably malachite, a green stone that is found near copper deposits, but the hunt was on for gems and gold.

Step-by-step explanation:

Answer 2

De Vaca had been given arrow heads that were green in color. The conclusion at the time was that the arrow heads were made of emeralds. It was probably malachite, a green stone that is found near copper deposits, but the hunt was on for gems and gold.