Hundreds of 'Rock Crystals' Found From a 6000-Yr-Old Site Indicate Quartz Fragments Were Used to Decorate Graves The burial practices of ancient populations have always intrigued researchers because ...

The only sample found thus far, weighing a mere 1.61 carats (0.3 grams), has sparked immense intrigue among scientists and collectors alike. The kyawthuite crystal was discovered in 2010 by ...

Large crystals found in geodes and other rocks are relatively rare. Pink ChalcedonyA pink chalcedony shows off its beauty. Chalcedonies include many types of cryptocrystalline quartz gems and ...

A unique rock dug up in southern New Mexico has led to a geological landslide of findings in recent months, after scientists say that rock held several undiscovered ...

Evidence for the use of rock crystal - a rare type of perfectly transparent quartz which forms in large hexagonal gems - has occasionally been found at prehistoric sites in the British Isles, but ...