Photo taken on Dec. 15, 2021 shows the natural corundum crystal blue sapphire named "Queen of Asia" on display in Horana, Sri Lanka. Sri Lankan authorities on Monday said the country had unearthed the world's largest natural corundum crystal blue sapphire in Ratnapura, about 113 km away from the capital Colombo, local media reported. (Photo by Ajith Perera/Xinhua)
Photo taken on Dec. 15, 2021 shows the natural corundum crystal blue sapphire named "Queen of Asia" on display in Horana, Sri Lanka. Sri Lankan authorities on Monday said the country had unearthed the world's largest natural corundum crystal blue sapphire in Ratnapura, about 113 km away from the capital Colombo, local media reported. (Photo by Ajith Perera/Xinhua)
Photo taken on Dec. 15, 2021 shows the natural corundum crystal blue sapphire named "Queen of Asia" on display in Horana, Sri Lanka. Sri Lankan authorities on Monday said the country had unearthed the world's largest natural corundum crystal blue sapphire in Ratnapura, about 113 km away from the capital Colombo, local media reported. (Photo by Ajith Perera/Xinhua)
Photo taken on Dec. 15, 2021 shows the natural corundum crystal blue sapphire named "Queen of Asia" on display in Horana, Sri Lanka. Sri Lankan authorities on Monday said the country had unearthed the world's largest natural corundum crystal blue sapphire in Ratnapura, about 113 km away from the capital Colombo, local media reported. (Photo by Ajith Perera/Xinhua)
