Tag Archives: aquamarine

Birthstones – a year in gems (part 1 of 4 – January to March)

Certain gemstones are associated with particular months of the year and are known as birthstones. There are lists of birthstones from a number of different organisations, as well as certain regional variations. These are the more common month/gemstone combinations for January, February and March: January – Garnet From the reds and oranges of pyrope, hessonite […]

Sri Lankan geuda

Is Sri Lanka the “sweet shop” of gems?

Looking through the gem gravels in Sri Lanka is the gemmological equivalent of being a kid in the proverbial candy store. Gem mines on the island tend to be secondary deposits, rather than primary gem sources. That has a thrilling, yet challenging, knock-on effect. A secondary (or placer) deposit is where the gem material has spent […]