Semi-Precious Gems: Include amethyst, turquoise, garnet, and many other beautiful stones that don’t command the same high prices. While most gems are mineral-based, some, like pearls ...

A family-run crystal shop in a seaside town is celebrating 25 years of selling its “unique” items to locals and tourists.

but these neon-turquoise Paraiba tourmalines are now up there jostling with the world’s finest gemstones. Remarkably – unlike its peers, which have been accessible for millennia – the ...