Final answer:
The Harappans obtained raw materials for semi-precious stones from Gujarat, Iran, and Afghanistan.
Step-by-step explanation:
The Harappans obtained the raw materials for making semi-precious stones from Gujarat, Iran, and Afghanistan. They used these stones for various purposes such as jewelry, decoration, and trade. Copper was sourced from Rajasthan, gold from Karnataka and Afghanistan, and tin from Afghanistan and Iran. These raw materials played a significant role in the development of the Harappan civilization.
Learn more about Harappan civilization