コレクション: ボルダーオパールジェムストーン

Australian Boulder Opals typically form on a foundation of iron stone, mined in Quilpie Queensland these Opal gemstones are characterised by thier flowing patterns, undulating surfaces and large odd shapes.

These gemstones by virtue of the iron stone host rocks - tend to form some of the most fluid looking patterns amoung the solid opal types.