garnet

With over 900 vendors and numerous geologic rarities, the 2017 Denver Gem and Mineral Showcase had plenty to see. Read about some highlights in…

In Part 1 of “Faceting Made Easy,” Trevor Hannam reviews gemstone properties in his introduction to faceting and learning to cut a standard…

Colorado has a lot to offer gemologists and rock hunters. Before you visit, learn about Colorado gemstones as well as notable gem shows, museums,…

A genuine chrrome tourmaline that shows lots of red flashes under a chelsea filter. This thing is GREEN and a color most tsavorite garnets would…

The IGS survey results for polishing miscellaneous gems include recommendations for popular stones as well as gems seen less frequently in jewelry.…

Some very popular jewelry stones, such as beryl, quartz, and topaz, fall in the 7-8 hardness range. You can find polishing recommendations for…

Whether you’re new to faceting or an old pro, these gemstone polishing survey results can help you choose a lap, polish, and lubricant combo for…

The idea of a single birthstone for each month is a modern idea with a long history, but today’s consumers can choose gems from traditional or modern…

Gemologists sometimes measure gemstone density or specific gravity to help with gem identification. Learn the basics of this property and how…