Hundreds of 'Rock Crystals' Found From a 6000-Yr-Old Site Indicate Quartz Fragments Were Used to Decorate Graves The burial ...

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 ...

The magic of crystal formation had already been done by natural processes; all that was needed was a little slicing and dicing. As it turns out, though, quartz is so immensely useful for a ...

The Garland County Historical Society, in association with the Garland County Library, will host the program "Quartz Crystal ...

There are perhaps a dozen of these rare crystal skulls in private and public collections. Some are crystal clear, others of smoky or colored quartz. Some are actual human size and of very fine ...

Effective at preserving clues about rare earth mineral formation, these crystals can now help us find the rich rare earth mineral deposits that will be required to power the green energy revolution.

Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made of quartz ... affects the size of the crystals that form: slower ...