Amethyst is a violet variety of quartz which has been used as a gemstone for many centuries and is a key economic resource in northern Uruguay. Geodes are hollow rock formations often with quartz ...

Amethyst is a violet variety of quartz which has been used as a gemstone for many centuries and is a key economic resource in northern Uruguay. Geodes are hollow rock formations often with quartz ...

Amethyst geodes in Uruguay have been found in cooled lava flows, which date from the original breakup of the supercontinent Gondwana around 134 million years ago. However, their formation has ...

Along with Ametista do Sul in southern Brazil, these regions are the world’s leading mining districts for gems which come from volcanic lava, such as amethyst and agate geodes. Amethyst is a ...

World-class amethyst-agate geodes from Los Catalanes, Northern Uruguay: genetic implications from fluid inclusions and stable isotopes. Mineralium Deposita , 2024; DOI: 10.1007/s00126-024-01310-2 ...

Editor’s Note: reworked this post on September 28, 2024, to include details about the new Minecraft game drops. With this year’s Minecraft Live event, Mojang Studios has officially scrapped the yearly ...

What is the Minecraft Bundles of Bravery update? The next Minecraft update is coming to the vanilla game, and features a new feature for Bedrock players alongside a long-awaited new storage item.

Making Minecraft houses can be hard, especially if you want them to look nicer than a pile of wooden logs. That’s why we’ve pulled together a list of the best-looking house tutorials out there, to ...

Please verify your email address. Mojang accidentally leaked details on Minecraft's next update, including a new biome and mob. The studio briefly updated its website with information on an ...

Cambridge scientists found that hibiscus flowers develop early petal patterns that form bullseyes to attract bees. These larger patterns increase bee foraging efficiency, offering insights into plant ...

A scientist is developing a new light source for observing nature’s fastest processes at attosecond scales, building on Nobel-winning research. His work will create laser pulses mimicking sunlight, ...