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Göttingen University researcher Fiorella Arduin Rode working in open pit mine of the study area, Los Catalanes mining district, northern Uruguay. Along with Ametista do Sul in southern Brazil, these ...

Archaeologists in Israel unearthed prehistoric hand axes that Homo erectus crafted from stones including fossils and crystals ...

Geodes are not so pretty on the outside, but when cracked, they are beautiful on the inside. With a few materials from around the house, you can turn an ordinary egg into a geode. Materials ...

Geodes can be kind of ugly on the outside, but when cracked open, you can find something beautiful. Here's how to make your own. n 12 eggs n Water n Borax n Food coloring STEP 1: Crack each egg near ...

Amethyst is a violet variety of quartz that 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 ...

Objects like Powehi, the recently imaged supermassive compact object at the center of galaxy M87, might actually be GEODEs. The Powehi GEODE, shown to scale, would be approximately 2/3 the radius of ...

Geodes tend to be more rounded than the rocks surrounding them. They are also harder, because the minerals within make geodes harder than the rock they are encased in. Geodes are usually spheroidal, ...

Lovely day for a bit of rockhounding. Found agates, geodes, and the mild realization that we’re holding something older than ...

Growing up, kids often have a fascination with rocks: smooth ones, shiny ones, uniquely shaped ones; and who doesn’t like a surprise? Combine those two elements and you have Geode Cracking, a NEW ...