Gems & Minerals

Gems & Minerals 9 min read

Alexandrite: Color-Changing Gemstone

If you've ever wondered how a single gemstone can shift from lush emerald green in daylight to a deep ruby red under lamplight, you're about to discover one of nature's most captivating optical illusi...

Mar 06, 2026 64

Gems & Minerals 7 min read

Gem Mining in Ratnapura: The City of Gems

Introduction to Gem Mining in Ratnapura Ratnapura, a city located in the south-west of Sri Lanka, is renowned for its rich deposits of precious gems, earni

Feb 17, 2026 137

Gems & Minerals 7 min read

Ruby Mining in Sri Lanka

Introduction to Ruby Mining in Sri Lanka As a New Zealander, you might not immediately think of Sri Lanka when it comes to ruby mining. However, this smal

Feb 17, 2026 124