Black Opal from Koroit, Australia. Koroit is located approximately 1000 kilometres from the east coast of Australia, right in the heart of Outback Queensland. The opals from here are unlike opal anywhere else in the world.
Emerald tear drop cut "The foundations of the city walls were decorated with every kind of precious stone. The first foundation was jasper, the second sapphire, the third agate, the fourth emerald," ~ Revelation
malformalady: Koroit opal — The Koroit opal field is an opal mining area in Paroo Shire in South West Queensland, Australia.The Koroit opal field is known for the very distinctive type of boulder opal that is found in its mines