ancient techniques - Karat

gold refining historical evolution

Refining Processes & Technology

The History of Gold Refining and Its Modern Evolution

From Ancient Egyptian clay pipes to modern cyanide leaching: 6,000 years of gold refining proves we’ve never stopped craving that perfect shine.

Karat.au Team
April 12, 2025

buy genuine australian gold coins

Gold Numismatics & Coinage

Where to Buy Genuine Australian Gold Coins Online and In Person

Protect your wealth with genuine Australian gold coins - learn where trusted dealers…

Market Intelligence

Karat Gold Market Pulse – March 2026

Gold lost nearly A$1,000 per ounce in March as the RBA lifted rates, oil surged past…

gold coin storage tips

Gold Numismatics & Coinage

Storing and Preserving Australian Gold Coins Best Practices

Your rare Australian gold coins could be silently deteriorating right now. Learn proven…

aussie gold coin regulations

Gold Numismatics & Coinage

Laws and Regulations for Buying and Selling Aussie Gold Coins

Legally buying Aussie gold coins isn't as simple as you think - strict laws could cost…