How did the people of mesoamerican use basalt and Obsidian?

The people of Mesoamerica utilized basalt primarily for construction and tools, as its durability made it ideal for creating structures and grinding implements. Obsidian, a naturally occurring volcanic glass, was highly prized for its sharpness and was extensively used for making cutting tools, weapons, and ceremonial items. Both materials played crucial roles in daily life, trade, and rituals, reflecting the advanced craftsmanship and resourcefulness of Mesoamerican cultures.