“It was surprising to find these very low temperatures,” Arduin Rode says. Researchers studying amethyst geode formation in Brazil’s lava flows have proposed temperatures below 100 ° ...

People view the 12-foot tall amethyst ... Most geodes are small as they form inside gas bubbles in lava rocks. Only in rare cases is lava so rich in gases that very large voids form or larger ...

In a recent article in Miner Deposita, researchers presented a comprehensive study of the amethyst and agate geodes in the ...

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 ...

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 ...

Full-size large SUVs can seat up to eight people, with the third row often providing comparable space to the middle row. They’re also generally best for towing. It measures over five metres long, tips ...

Large crystals found in geodes and other rocks are relatively ... and emeralds continue to qualify as "precious." (At one time, amethyst was also considered a precious gem, but large reserves ...

A major fire has engulfed the medieval cathedral of Notre-Dame in Paris, one of France's most famous landmarks. The 850-year-old Gothic building's spire and roof have collapsed but the main ...

The incident took place at about 12:30pm on Sunday in the vicinity of the Cathedral. Police were told that the victim was standing along the Brian Lara Promenade when he was attacked by the suspect.

A full-size SUV is a large sport utility vehicle with three rows of seating, plenty of cargo space, and the ability to tow large items. What is the most reliable large SUV? The most reliable large ...

TEN years ago this week, one fortunate Taunton local was surprised to see their amethyst necklace and earrings go for five times the estimate at auction. "Feverish bidding" broke out at auction when ...