Australia: Zircons are forever

It's a great joy for a man to give his loved one a diamond ring. A pure, unblemished diamond symbolises commitment and permanence

Digging for zircons at the 730 million-year-old Mud Tank field, above, is a hot, dusty and exhausting experience, but the area's sparkling treasure, top right, makes it all worthwhile. Photo / Tourism NT

Image 1 of 3: Digging for zircons at the 730 million-year-old Mud Tank field, above, is a hot, dusty and exhausting experience, but the area's sparkling treasure, top right, makes it all worthwhile. Photo / Tourism NT