According to theory, the harder the gem, the better it should withstand the rigours of wear. But how to test it in practice?
Gemmology is considered a science. Cutting gemstones is more of a craft. I got started with it, without really getting my hands dirty
Purchased and DIY instruments. How do I use them and what are the results.
Articles about gems
Working on the stones themselves.
Experiences with importing goods from the far east.
