Rubies are amongst the most beautiful jewels and one of the "Big Four" of the most precious cardinal gemstones; the others being S

If you're thinking of celebrating Christmas in July with family or friends – or if you have a fun-loving boss planning a crazy office pa

The Moon of Baroda is rumoured to be cursed, endowing bad luck on anyone who takes it overseas, and some consider the diamond to be the caus

Obsidian is a natural black, variegated black, red, or orange volcanic glass formed from cooling lava. It's been used by people for many