Which location is known for producing the majority of rubies that are used in mass-produced jewelry?

Mong Hsu, located in Myanmar, is recognized for its significant production of rubies, particularly those that are often used in mass-produced jewelry. The region is known for mining high-quality rubies in quantities that can meet the demands of mass jewelry production. Mong Hsu's rubies are generally more accessible due to their widespread occurrence and the efficiency of mining operations in the area.

The importance of Mong Hsu in the global market lies in its ability to supply rubies that are not only abundant but also suitable for mass manufacturing processes, where uniformity and cost-effectiveness are key factors. This has established Mong Hsu as a critical player in the supply chain of colored gemstones, specifically rubies, which are sought after for their vibrant color and beauty.