Central Coast Gemological Laboratory
Articles by Ron Campbell
Faceting Machine Features: A Beginner’s Guide
Before investing in an expensive piece of equipment, learn how to examine these gem faceting machine features, so you can...
Choosing and Orienting Rough Gemstones
Selecting and orienting rough gems can be challenging for new faceters. These tips can help you choose the right tools...
Is My Alexandrite Just A Color-Change Chrysoberyl?
Buyer beware! Not all color-change chrysoberyl is alexandrite. Learn the classic color ranges of true alexandrite and avoid being scammed...
Faceting Machine Comparison Chart
Our gem faceting machine comparison chart will help you evaluate a number of models based on numerous features. Find the...