Obsidian is classified as a congealed liquid form of silicic acid lava from magma extruded by volcanoes. Silica content in magma ranges from 50-75%. Greater silica content is related to higher ...

Yooperlites are rocks that fluoresce in the dark under ultraviolet light. They became known when an Upper Peninsula resident discovered them in 2017, according to the Michigan Department of ...

Living up to its name, Trek Metals climbed to 9.5c, a new high of almost two years and a step up of 15.86% on Tuesday’s close ...

Brandon Adler, The Outer Worlds 2's director, tells me the team at Obsidian knew exactly what would and wouldn't go down well with the original. "Before the first game even shipped, I did a full ...

Designed in collaboration with Hyundai and design students from the Munich University of Applied Sciences in Germany, the new OBSIDIAN electric sedan concept is equal parts Honda 0 Saloon, Tesla ...

Hundreds of obsidian artifacts have revealed where the Aztecs acquired the volcanic glass they used for tools, ornamental pieces or religious objects centuries ago — and their vast trade ...

The Aztec Empire once hosted an expansive trade network that brought volcanic glass to its capital from right across Mesoamerica, coast to coast. The largest compositional study of obsidian artifacts ...

Obsidian AI Tools integrate multiple AI services (Claude, OpenAI, Gemini) into a unified platform, offering advanced capabilities like summarization, automation, and file management for enhanced ...

Rock club gearing up for the 59th annual Gem and Mineral show Published at 5:34 pm, April 12, 2025 | Updated at 12:24 pm, April 19, 2025 Bill Schiess, EastIdahoNews.com ...

Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by volcanic magma, are remnants of vast prehistoric trade networks that once cut across western North America. New ...

Apart from that, crying obsidian is a light-emitting block, releasing a light level of 10 when placed. When it is positioned below a note block, the latter will play a bass drum. Lastly, it can be ...