Quartz gemstones provide the jewellery trade with more varieties than any other gem species. Here, Gem-A Tutor Pat Daly FGA DGA explores one of the subdivisions of quartz – chalcedony – and discovers the stones (and challenges) that new and experienced gemmologists will discover in the ...
In the ancient days in Europe and the Middle East, they were used as a weight reference for traders - especially when dealing with gemstones where slight differences in weight are important. Carat has the largest impact on diamond prices. Let's look at how that happens. These are all round...
At the heart of jewelry making is the art of turning metal, gemstones, and other materials into dazzling accessories you can wear or give as gifts to family and friends. Once you get into jewelry making, you could even launch your own small business, crafting unique pieces that aren’t ava...