The mineral was founded embedded in sapphire, the second hardest mineral after diamonds. The largest stone found so far is 33.3 carats. It was named carmeltazite due to its discovery near Mount ...

Sri Lankan authorities say the world's largest star sapphire cluster has been found in a backyard - by accident. A gem trader said the stone was found by workmen digging a well in his home in the ...

Generally, Tanzanite (or Zoisite) is found in a reddish brown that is heat-treated to turn the stone sapphire blue, amethyst or violet. Heat treatment deepens the blue color saturation but doesn ...

sapphires, and emeralds continue to qualify as "precious." (At one time, amethyst was also considered a precious gem, but large reserves were later found in Brazil, reducing its value.) ...

(IDEX Online) - Australian Matt Betteridge unearthed a huge 394-carat sapphire with his bare hands after he spotted "something glimmering in the road". He was walking after heavy rains washed away ...

A gem merchant in Nivithigala has found a blue sapphire in the shape of Sri Lanka ... it from a gem miner in the Karavita area. The gem stone is in the shape of our Island home Sri Lanka and ...

The world's largest blue sapphire corundum was found in Sri Lanka and weighed in ... including a 17 kilogram stone worth about $800 million US dollars. Photo: Getty Images.