Koroit Boulder Opal | 1.65g | Australia Prosperity Astrophyllite is often hailed as

Astrophyllite is often hailed as the "light bringer

Hollandite In Quartz Specimen 14

High Quality Clear Quartz Self Standing Heart Carving

These formations developed as silica-rich solutions slowly deposited mineral material within a cavity

Koroit Boulder Opal | 1.65g | Australia Prosperity Astrophyllite is often hailed asKoroit Boulder Opal 1. 65g Australia A natural Koroit Boulder Opal weighing 1. 65g 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