Koroit Boulder Opal | 7.75g | Australia Druzy & Geodes it was believed to be

it was believed to be born from the frozen fire of the Aurora Borealis

Intuitively Chosen 20gr

it preserves ancient wood through natural mineral replacement

Druzy Black Amethyst Specimen 6cm

7kg Sugilite and Bustamite specimen from South Africa is a striking combination of two rare and powerful minerals

Koroit Boulder Opal | 7.75g | Australia Druzy & Geodes it was believed to beKoroit Boulder Opal 7. 75g Australia A natural Koroit Boulder Opal weighing 7. 75g from Koroit, Queensland, Australia. Each piece is completely unique, displaying natural flashes of colour set within its ironstone matrix. One available. Sold as seen. Koroit is one of Australia's most celebrated Boulder Opal localities, known for producing specimens with particularly vivid and complex patterning. Boulder Opal forms when silica rich solutions fill