Archaeologists Find Engraved Semi-Precious Gemstones Clogging a 2000-Yr-Old Roman Bathhouse, Astounded by the Workmanship In ...
Amethyst . A member of the quartz family, amethysts with intense, rich purple shades have long been considered the most ...
Agate collecting is a fascinating and rewarding hobby that attracts enthusiasts from all walks of life With its myriad of colours patterns and forms agate is one of the most diverse and sought-after g ...