For the ancestral peoples of the Pacific Coast, obsidian (volcanic glass) was a highly valued raw material because it could be used to make razor-sharp cutting tools. However, for many parts of the ...

Where do obsidian artifacts in the Sunshine Coast region come from? Based on just 19 obsidian artifacts, we are beginning to get a picture of ancient trade relations in this region in the last 2000 ...

Tulane University. "Vast Aztec trade networks behind ancient obsidian artifacts." ScienceDaily. ScienceDaily, 13 May 2025. <www.sciencedaily.com / releases / 2025 / 05 / 250512153346.htm>.

The rest of the obsidian objects are derived from seven different locations, some of which sit far outside the ancient lands once dominated by the Mexica between 1375 and 1520 CE.

Underwater archeologists near Capri found a Neolithic shipwreck with obsidian artifacts, hinting at ancient seafaring and trade networks in the Mediterranean's Stone Age.

The analysis showed that nearly 90% of the obsidian artifacts in the sample were made with Sierra de Pachuca obsidian—prized for its green hue and symbolic connection to the mythical city of Tollan.