Hardness and toughness Gem and mineral hardness is measured on the Mohs scale. The numbers are...
Dos & Don’ts 1. Use jewellery cleaners that are labeled safe for pearls. 2. Avoid ultrasonic...
When your gold jewellery is brand new, it is bright and polished and shimmers in the light. If...
Your gold jewellery is a prized possession and whether you are selling it or wearing it, you want...
When taking off a pearl ring, grasp on the shank, or metal part, rather than the pearl to prevent...
Diamonds may be the hardest natural substance on the face of Earth, but it is still vulnerable to...